33:I[196793,["/_next/static/chunks/1k7mhi2mpecuo.js?dpl=nogit-1791040192","/_next/static/chunks/2_6olli-sutu3.js?dpl=nogit-1791040192","/_next/static/chunks/0zcakt1-boe_f.js?dpl=nogit-1791040192","/_next/static/chunks/0yuh9obhrf6py.js?dpl=nogit-1791040192","/_next/static/chunks/3mz725-y91ph6.js?dpl=nogit-1791040192","/_next/static/chunks/2x_dbpl3b_l2r.js?dpl=nogit-1791040192","/_next/static/chunks/13_9hjun60hj-.js?dpl=nogit-1791040192","/_next/static/chunks/2bxmml65nu49g.js?dpl=nogit-1791040192","/_next/static/chunks/0zkcxwtbsqliz.js?dpl=nogit-1791040192","/_next/static/chunks/1dxqjl8rol78e.js?dpl=nogit-1791040192","/_next/static/chunks/2gjyu-jrwu-fu.js?dpl=nogit-1791040192","/_next/static/chunks/3jpl-42mbad5n.js?dpl=nogit-1791040192","/_next/static/chunks/3ml3vooxhiupb.js?dpl=nogit-1791040192","/_next/static/chunks/3kzt2piec6aoa.js?dpl=nogit-1791040192","/_next/static/chunks/19ijf68pshdcn.js?dpl=nogit-1791040192","/_next/static/chunks/40lyu17d590zu.js?dpl=nogit-1791040192","/_next/static/chunks/04zr-wqafvwoa.js?dpl=nogit-1791040192","/_next/static/chunks/38w1x0vrld4-w.js?dpl=nogit-1791040192","/_next/static/chunks/2wqr_qa524410.js?dpl=nogit-1791040192","/_next/static/chunks/2os7nxouq91eq.js?dpl=nogit-1791040192","/_next/static/chunks/1u0-4r35vefxo.js?dpl=nogit-1791040192","/_next/static/chunks/0v4byuex1x38h.js?dpl=nogit-1791040192","/_next/static/chunks/2tp0p_5fc9uvf.js?dpl=nogit-1791040192","/_next/static/chunks/26m8evoiza4ec.js?dpl=nogit-1791040192","/_next/static/chunks/2mv9l1xl_aa4j.js?dpl=nogit-1791040192","/_next/static/chunks/1coblm1-go81_.js?dpl=nogit-1791040192","/_next/static/chunks/1_p5v4n7583_r.js?dpl=nogit-1791040192","/_next/static/chunks/1ku-vdy4ggo41.js?dpl=nogit-1791040192","/_next/static/chunks/2dx-vzwyw9a3g.js?dpl=nogit-1791040192","/_next/static/chunks/32egb6-l4niwe.js?dpl=nogit-1791040192","/_next/static/chunks/1-n779e9yi4l0.js?dpl=nogit-1791040192","/_next/static/chunks/0llqhg6-bxn_b.js?dpl=nogit-1791040192","/_next/static/chunks/2a2shu5fsom14.js?dpl=nogit-1791040192","/_next/static/chunks/0k-y_4mcfub-p.js?dpl=nogit-1791040192","/_next/static/chunks/3795z2r1x82vp.js?dpl=nogit-1791040192","/_next/static/chunks/1s6j_7_p0ugo9.js?dpl=nogit-1791040192","/_next/static/chunks/33z1jiacs_jrz.js?dpl=nogit-1791040192","/_next/static/chunks/2leuonyicz6gk.js?dpl=nogit-1791040192","/_next/static/chunks/2rsljb77wejav.js?dpl=nogit-1791040192","/_next/static/chunks/075i0tnxt4not.js?dpl=nogit-1791040192","/_next/static/chunks/12za0kzs9m-b_.js?dpl=nogit-1791040192","/_next/static/chunks/1p8omo2zft7gp.js?dpl=nogit-1791040192","/_next/static/chunks/13gj59kzq50t_.js?dpl=nogit-1791040192","/_next/static/chunks/34lw53983v4li.js?dpl=nogit-1791040192","/_next/static/chunks/3pb98vwyysfzu.js?dpl=nogit-1791040192","/_next/static/chunks/1lsxkfxy262n-.js?dpl=nogit-1791040192","/_next/static/chunks/1ksyn9m68446d.js?dpl=nogit-1791040192","/_next/static/chunks/1hnuhh5t7cfaj.js?dpl=nogit-1791040192","/_next/static/chunks/2uzea6b173htc.js?dpl=nogit-1791040192","/_next/static/chunks/2s8s2tbh7ie54.js?dpl=nogit-1791040192","/_next/static/chunks/2u1q43gtwo_9f.js?dpl=nogit-1791040192","/_next/static/chunks/12bb60zmzpft7.js?dpl=nogit-1791040192","/_next/static/chunks/29gkme7_x75oo.js?dpl=nogit-1791040192","/_next/static/chunks/3wqp-h5xnebw9.js?dpl=nogit-1791040192","/_next/static/chunks/3ybwgs28on6c8.js?dpl=nogit-1791040192","/_next/static/chunks/1csf-qhroertu.js?dpl=nogit-1791040192","/_next/static/chunks/1d7tjnrc0fv5y.js?dpl=nogit-1791040192","/_next/static/chunks/0zg1om_k0m5zv.js?dpl=nogit-1791040192"],"Gingerbread"] 35:I[647935,["/_next/static/chunks/1k7mhi2mpecuo.js?dpl=nogit-1791040192","/_next/static/chunks/2_6olli-sutu3.js?dpl=nogit-1791040192","/_next/static/chunks/0zcakt1-boe_f.js?dpl=nogit-1791040192","/_next/static/chunks/0yuh9obhrf6py.js?dpl=nogit-1791040192","/_next/static/chunks/3mz725-y91ph6.js?dpl=nogit-1791040192","/_next/static/chunks/2x_dbpl3b_l2r.js?dpl=nogit-1791040192","/_next/static/chunks/13_9hjun60hj-.js?dpl=nogit-1791040192","/_next/static/chunks/2bxmml65nu49g.js?dpl=nogit-1791040192","/_next/static/chunks/0zkcxwtbsqliz.js?dpl=nogit-1791040192","/_next/static/chunks/1dxqjl8rol78e.js?dpl=nogit-1791040192","/_next/static/chunks/2gjyu-jrwu-fu.js?dpl=nogit-1791040192","/_next/static/chunks/3jpl-42mbad5n.js?dpl=nogit-1791040192","/_next/static/chunks/3ml3vooxhiupb.js?dpl=nogit-1791040192","/_next/static/chunks/3kzt2piec6aoa.js?dpl=nogit-1791040192","/_next/static/chunks/19ijf68pshdcn.js?dpl=nogit-1791040192","/_next/static/chunks/40lyu17d590zu.js?dpl=nogit-1791040192","/_next/static/chunks/04zr-wqafvwoa.js?dpl=nogit-1791040192","/_next/static/chunks/38w1x0vrld4-w.js?dpl=nogit-1791040192","/_next/static/chunks/2wqr_qa524410.js?dpl=nogit-1791040192","/_next/static/chunks/2os7nxouq91eq.js?dpl=nogit-1791040192","/_next/static/chunks/1u0-4r35vefxo.js?dpl=nogit-1791040192","/_next/static/chunks/0v4byuex1x38h.js?dpl=nogit-1791040192","/_next/static/chunks/2tp0p_5fc9uvf.js?dpl=nogit-1791040192","/_next/static/chunks/26m8evoiza4ec.js?dpl=nogit-1791040192","/_next/static/chunks/2mv9l1xl_aa4j.js?dpl=nogit-1791040192","/_next/static/chunks/1coblm1-go81_.js?dpl=nogit-1791040192","/_next/static/chunks/1_p5v4n7583_r.js?dpl=nogit-1791040192","/_next/static/chunks/1ku-vdy4ggo41.js?dpl=nogit-1791040192","/_next/static/chunks/2dx-vzwyw9a3g.js?dpl=nogit-1791040192","/_next/static/chunks/32egb6-l4niwe.js?dpl=nogit-1791040192","/_next/static/chunks/1-n779e9yi4l0.js?dpl=nogit-1791040192","/_next/static/chunks/0llqhg6-bxn_b.js?dpl=nogit-1791040192","/_next/static/chunks/2a2shu5fsom14.js?dpl=nogit-1791040192","/_next/static/chunks/0k-y_4mcfub-p.js?dpl=nogit-1791040192","/_next/static/chunks/3795z2r1x82vp.js?dpl=nogit-1791040192","/_next/static/chunks/1s6j_7_p0ugo9.js?dpl=nogit-1791040192","/_next/static/chunks/33z1jiacs_jrz.js?dpl=nogit-1791040192","/_next/static/chunks/2leuonyicz6gk.js?dpl=nogit-1791040192","/_next/static/chunks/2rsljb77wejav.js?dpl=nogit-1791040192","/_next/static/chunks/075i0tnxt4not.js?dpl=nogit-1791040192","/_next/static/chunks/12za0kzs9m-b_.js?dpl=nogit-1791040192","/_next/static/chunks/1p8omo2zft7gp.js?dpl=nogit-1791040192","/_next/static/chunks/13gj59kzq50t_.js?dpl=nogit-1791040192","/_next/static/chunks/34lw53983v4li.js?dpl=nogit-1791040192","/_next/static/chunks/3pb98vwyysfzu.js?dpl=nogit-1791040192","/_next/static/chunks/1lsxkfxy262n-.js?dpl=nogit-1791040192","/_next/static/chunks/1ksyn9m68446d.js?dpl=nogit-1791040192","/_next/static/chunks/1hnuhh5t7cfaj.js?dpl=nogit-1791040192","/_next/static/chunks/2uzea6b173htc.js?dpl=nogit-1791040192","/_next/static/chunks/2s8s2tbh7ie54.js?dpl=nogit-1791040192","/_next/static/chunks/2u1q43gtwo_9f.js?dpl=nogit-1791040192","/_next/static/chunks/12bb60zmzpft7.js?dpl=nogit-1791040192","/_next/static/chunks/29gkme7_x75oo.js?dpl=nogit-1791040192","/_next/static/chunks/3wqp-h5xnebw9.js?dpl=nogit-1791040192","/_next/static/chunks/3ybwgs28on6c8.js?dpl=nogit-1791040192","/_next/static/chunks/1csf-qhroertu.js?dpl=nogit-1791040192","/_next/static/chunks/1d7tjnrc0fv5y.js?dpl=nogit-1791040192","/_next/static/chunks/0zg1om_k0m5zv.js?dpl=nogit-1791040192"],"RecordResourceResume"] 36:I[830476,["/_next/static/chunks/1k7mhi2mpecuo.js?dpl=nogit-1791040192","/_next/static/chunks/2_6olli-sutu3.js?dpl=nogit-1791040192","/_next/static/chunks/0zcakt1-boe_f.js?dpl=nogit-1791040192","/_next/static/chunks/0yuh9obhrf6py.js?dpl=nogit-1791040192","/_next/static/chunks/3mz725-y91ph6.js?dpl=nogit-1791040192","/_next/static/chunks/2x_dbpl3b_l2r.js?dpl=nogit-1791040192","/_next/static/chunks/13_9hjun60hj-.js?dpl=nogit-1791040192","/_next/static/chunks/2bxmml65nu49g.js?dpl=nogit-1791040192","/_next/static/chunks/0zkcxwtbsqliz.js?dpl=nogit-1791040192","/_next/static/chunks/1dxqjl8rol78e.js?dpl=nogit-1791040192","/_next/static/chunks/2gjyu-jrwu-fu.js?dpl=nogit-1791040192","/_next/static/chunks/3jpl-42mbad5n.js?dpl=nogit-1791040192","/_next/static/chunks/3ml3vooxhiupb.js?dpl=nogit-1791040192","/_next/static/chunks/3kzt2piec6aoa.js?dpl=nogit-1791040192","/_next/static/chunks/19ijf68pshdcn.js?dpl=nogit-1791040192","/_next/static/chunks/40lyu17d590zu.js?dpl=nogit-1791040192","/_next/static/chunks/04zr-wqafvwoa.js?dpl=nogit-1791040192","/_next/static/chunks/38w1x0vrld4-w.js?dpl=nogit-1791040192","/_next/static/chunks/2wqr_qa524410.js?dpl=nogit-1791040192","/_next/static/chunks/2os7nxouq91eq.js?dpl=nogit-1791040192","/_next/static/chunks/1u0-4r35vefxo.js?dpl=nogit-1791040192","/_next/static/chunks/0v4byuex1x38h.js?dpl=nogit-1791040192","/_next/static/chunks/2tp0p_5fc9uvf.js?dpl=nogit-1791040192","/_next/static/chunks/26m8evoiza4ec.js?dpl=nogit-1791040192","/_next/static/chunks/2mv9l1xl_aa4j.js?dpl=nogit-1791040192","/_next/static/chunks/1coblm1-go81_.js?dpl=nogit-1791040192","/_next/static/chunks/1_p5v4n7583_r.js?dpl=nogit-1791040192","/_next/static/chunks/1ku-vdy4ggo41.js?dpl=nogit-1791040192","/_next/static/chunks/2dx-vzwyw9a3g.js?dpl=nogit-1791040192","/_next/static/chunks/32egb6-l4niwe.js?dpl=nogit-1791040192","/_next/static/chunks/1-n779e9yi4l0.js?dpl=nogit-1791040192","/_next/static/chunks/0llqhg6-bxn_b.js?dpl=nogit-1791040192","/_next/static/chunks/2a2shu5fsom14.js?dpl=nogit-1791040192","/_next/static/chunks/0k-y_4mcfub-p.js?dpl=nogit-1791040192","/_next/static/chunks/3795z2r1x82vp.js?dpl=nogit-1791040192","/_next/static/chunks/1s6j_7_p0ugo9.js?dpl=nogit-1791040192","/_next/static/chunks/33z1jiacs_jrz.js?dpl=nogit-1791040192","/_next/static/chunks/2leuonyicz6gk.js?dpl=nogit-1791040192","/_next/static/chunks/2rsljb77wejav.js?dpl=nogit-1791040192","/_next/static/chunks/075i0tnxt4not.js?dpl=nogit-1791040192","/_next/static/chunks/12za0kzs9m-b_.js?dpl=nogit-1791040192","/_next/static/chunks/1p8omo2zft7gp.js?dpl=nogit-1791040192","/_next/static/chunks/13gj59kzq50t_.js?dpl=nogit-1791040192","/_next/static/chunks/34lw53983v4li.js?dpl=nogit-1791040192","/_next/static/chunks/3pb98vwyysfzu.js?dpl=nogit-1791040192","/_next/static/chunks/1lsxkfxy262n-.js?dpl=nogit-1791040192","/_next/static/chunks/1ksyn9m68446d.js?dpl=nogit-1791040192","/_next/static/chunks/1hnuhh5t7cfaj.js?dpl=nogit-1791040192","/_next/static/chunks/2uzea6b173htc.js?dpl=nogit-1791040192","/_next/static/chunks/2s8s2tbh7ie54.js?dpl=nogit-1791040192","/_next/static/chunks/2u1q43gtwo_9f.js?dpl=nogit-1791040192","/_next/static/chunks/12bb60zmzpft7.js?dpl=nogit-1791040192","/_next/static/chunks/29gkme7_x75oo.js?dpl=nogit-1791040192","/_next/static/chunks/3wqp-h5xnebw9.js?dpl=nogit-1791040192","/_next/static/chunks/3ybwgs28on6c8.js?dpl=nogit-1791040192","/_next/static/chunks/1csf-qhroertu.js?dpl=nogit-1791040192","/_next/static/chunks/1d7tjnrc0fv5y.js?dpl=nogit-1791040192","/_next/static/chunks/0zg1om_k0m5zv.js?dpl=nogit-1791040192"],"FlashcardAccessBranch"] 37:I[315438,["/_next/static/chunks/1k7mhi2mpecuo.js?dpl=nogit-1791040192","/_next/static/chunks/2_6olli-sutu3.js?dpl=nogit-1791040192","/_next/static/chunks/0zcakt1-boe_f.js?dpl=nogit-1791040192","/_next/static/chunks/0yuh9obhrf6py.js?dpl=nogit-1791040192","/_next/static/chunks/3mz725-y91ph6.js?dpl=nogit-1791040192","/_next/static/chunks/2x_dbpl3b_l2r.js?dpl=nogit-1791040192","/_next/static/chunks/13_9hjun60hj-.js?dpl=nogit-1791040192","/_next/static/chunks/2bxmml65nu49g.js?dpl=nogit-1791040192","/_next/static/chunks/0zkcxwtbsqliz.js?dpl=nogit-1791040192","/_next/static/chunks/1dxqjl8rol78e.js?dpl=nogit-1791040192","/_next/static/chunks/2gjyu-jrwu-fu.js?dpl=nogit-1791040192","/_next/static/chunks/3jpl-42mbad5n.js?dpl=nogit-1791040192","/_next/static/chunks/3ml3vooxhiupb.js?dpl=nogit-1791040192","/_next/static/chunks/3kzt2piec6aoa.js?dpl=nogit-1791040192","/_next/static/chunks/19ijf68pshdcn.js?dpl=nogit-1791040192","/_next/static/chunks/40lyu17d590zu.js?dpl=nogit-1791040192","/_next/static/chunks/04zr-wqafvwoa.js?dpl=nogit-1791040192","/_next/static/chunks/38w1x0vrld4-w.js?dpl=nogit-1791040192","/_next/static/chunks/2wqr_qa524410.js?dpl=nogit-1791040192","/_next/static/chunks/2os7nxouq91eq.js?dpl=nogit-1791040192","/_next/static/chunks/1u0-4r35vefxo.js?dpl=nogit-1791040192","/_next/static/chunks/0v4byuex1x38h.js?dpl=nogit-1791040192","/_next/static/chunks/2tp0p_5fc9uvf.js?dpl=nogit-1791040192","/_next/static/chunks/26m8evoiza4ec.js?dpl=nogit-1791040192","/_next/static/chunks/2mv9l1xl_aa4j.js?dpl=nogit-1791040192","/_next/static/chunks/1coblm1-go81_.js?dpl=nogit-1791040192","/_next/static/chunks/1_p5v4n7583_r.js?dpl=nogit-1791040192","/_next/static/chunks/1ku-vdy4ggo41.js?dpl=nogit-1791040192","/_next/static/chunks/2dx-vzwyw9a3g.js?dpl=nogit-1791040192","/_next/static/chunks/32egb6-l4niwe.js?dpl=nogit-1791040192","/_next/static/chunks/1-n779e9yi4l0.js?dpl=nogit-1791040192","/_next/static/chunks/0llqhg6-bxn_b.js?dpl=nogit-1791040192","/_next/static/chunks/2a2shu5fsom14.js?dpl=nogit-1791040192","/_next/static/chunks/0k-y_4mcfub-p.js?dpl=nogit-1791040192","/_next/static/chunks/3795z2r1x82vp.js?dpl=nogit-1791040192","/_next/static/chunks/1s6j_7_p0ugo9.js?dpl=nogit-1791040192","/_next/static/chunks/33z1jiacs_jrz.js?dpl=nogit-1791040192","/_next/static/chunks/2leuonyicz6gk.js?dpl=nogit-1791040192","/_next/static/chunks/2rsljb77wejav.js?dpl=nogit-1791040192","/_next/static/chunks/075i0tnxt4not.js?dpl=nogit-1791040192","/_next/static/chunks/12za0kzs9m-b_.js?dpl=nogit-1791040192","/_next/static/chunks/1p8omo2zft7gp.js?dpl=nogit-1791040192","/_next/static/chunks/13gj59kzq50t_.js?dpl=nogit-1791040192","/_next/static/chunks/34lw53983v4li.js?dpl=nogit-1791040192","/_next/static/chunks/3pb98vwyysfzu.js?dpl=nogit-1791040192","/_next/static/chunks/1lsxkfxy262n-.js?dpl=nogit-1791040192","/_next/static/chunks/1ksyn9m68446d.js?dpl=nogit-1791040192","/_next/static/chunks/1hnuhh5t7cfaj.js?dpl=nogit-1791040192","/_next/static/chunks/2uzea6b173htc.js?dpl=nogit-1791040192","/_next/static/chunks/2s8s2tbh7ie54.js?dpl=nogit-1791040192","/_next/static/chunks/2u1q43gtwo_9f.js?dpl=nogit-1791040192","/_next/static/chunks/12bb60zmzpft7.js?dpl=nogit-1791040192","/_next/static/chunks/29gkme7_x75oo.js?dpl=nogit-1791040192","/_next/static/chunks/3wqp-h5xnebw9.js?dpl=nogit-1791040192","/_next/static/chunks/3ybwgs28on6c8.js?dpl=nogit-1791040192","/_next/static/chunks/1csf-qhroertu.js?dpl=nogit-1791040192","/_next/static/chunks/1d7tjnrc0fv5y.js?dpl=nogit-1791040192","/_next/static/chunks/0zg1om_k0m5zv.js?dpl=nogit-1791040192"],"TopicFlashcardRunner"] 24:[["$","$L33",null,{"feature":"flashcards"}],"$L34",["$","$L35",null,{"href":"/gcse/geography/edexcel/a/tropical-rainforests/flashcards","label":"Tropical rainforests","subjectCode":"gcse_geography__edexcel_a","surface":"flashcards"}],["$","$L36",null,{"runner":["$","div",null,{"className":"min-h-0 flex-1 overflow-hidden bg-background","children":["$","$L37",null,{"decks":[{"id":"c9950a6b-b965-4acb-a35e-a8f0fb3e661f","title":"Tropical rainforests Flashcards","topicId":"d5632118-a368-57d2-b165-c101b2db51fb","topicSlug":"tropical-rainforests","cards":[{"id":"45d91393-7c2b-4b5b-9164-d2a522671363","cardType":"cloze","points":null,"front":"Tropical rainforests are hot, wet forests found mainly close to the [ ].","back":"Tropical rainforests are hot, wet forests found mainly close to the Equator.","mcqOptions":[{"text":"Equator","correct":true,"explanation":"The Equator receives intense sunlight throughout the year, creating the consistently hot and wet conditions needed for tropical rainforests."},{"text":"Tropic of Cancer","correct":false,"explanation":"The Tropic of Cancer is north of the Equator and has more seasonal conditions; tropical rainforests are mainly concentrated around the Equator."},{"text":"Tropic of Capricorn","correct":false,"explanation":"The Tropic of Capricorn is south of the Equator and does not mark the main global belt of tropical rainforest distribution."},{"text":"Prime Meridian","correct":false,"explanation":"The Prime Meridian is a line of longitude used to measure east and west, not the climatic zone where most tropical rainforests occur."}]},{"id":"4c8b9a75-aa0d-4543-ab5c-7ca72dbc759f","cardType":"cloze","points":null,"front":"Tropical rainforests are usually around [ ] and often receive over [ ] of rainfall.","back":"Tropical rainforests are usually around 26-28°C and often receive over 2000 mm per year of rainfall.","mcqOptions":[{"text":"Tropical rainforests are usually around 26-28°C and often receive over 2000 mm per year of rainfall.","correct":true,"explanation":"Tropical rainforests remain consistently hot and receive very heavy annual rainfall because intense solar heating drives frequent convectional storms."},{"text":"Tropical rainforests are usually around 18-20°C and often receive over 2000 mm per year of rainfall.","correct":false,"explanation":"The temperature range is too cool for tropical rainforests, although the rainfall figure is plausible; the correct temperature is 26-28°C."},{"text":"Tropical rainforests are usually around 26-28°C and often receive over 1000 mm per year of rainfall.","correct":false,"explanation":"The rainfall amount is too low for the usual rainforest climate; the correct figures are 26-28°C and over 2000 mm per year."},{"text":"Tropical rainforests are usually around 18-20°C and often receive over 1000 mm per year of rainfall.","correct":false,"explanation":"Both figures are too low for typical tropical rainforests, which are around 26-28°C and receive over 2000 mm per year."}]},{"id":"062316a5-3630-4423-8403-969d66238d50","cardType":"basic","points":2,"front":"How does convectional rainfall form in tropical rainforests?","back":"

Warm moist air rises after strong heating.
It cools and condenses, producing heavy rain.

","mcqOptions":[{"text":"

Warm moist air rises after strong heating.
It cools and condenses, producing heavy rain.

","correct":true,"explanation":"Strong solar heating warms moist air near the surface, causing it to rise. As it cools, water vapour condenses into clouds and produces heavy rain."},{"text":"

Cool dry air sinks after strong heating.
It warms and evaporates, producing heavy rain.

","correct":false,"explanation":"This reverses convection: surface heating makes moist air rise, then cooling causes condensation and heavy rainfall rather than sinking and evaporating."},{"text":"

Warm moist air sinks after strong heating.
It cools and condenses, producing heavy rain.

","correct":false,"explanation":"Condensation occurs when rising air cools, not when warm air descends. The correct process begins with warm moist air rising after strong heating."},{"text":"

Warm moist air rises after strong heating.
It warms and evaporates, producing heavy rain.

","correct":false,"explanation":"Rising air cools and condenses, so evaporation is not the final process producing rain. Strong heating initiates uplift of warm moist air."}]},{"id":"37cf89e2-5ffb-4ba5-8471-a9cb89187146","cardType":"cloze","points":null,"front":"Heavy rainfall washes dissolved nutrients down through rainforest soil by [ ].","back":"Heavy rainfall washes dissolved nutrients down through rainforest soil by leaching.","mcqOptions":[{"text":"leaching","correct":true,"explanation":"Leaching is the downward movement of dissolved nutrients through soil, caused by water passing through it during heavy rainfall."},{"text":"infiltration","correct":false,"explanation":"Infiltration describes water entering the soil, but the specific removal and downward movement of dissolved nutrients is called leaching."},{"text":"percolation","correct":false,"explanation":"Percolation describes water moving through soil, but the loss of dissolved nutrients carried down by that water is leaching."},{"text":"erosion","correct":false,"explanation":"Erosion removes soil particles from the surface, whereas dissolved nutrients being washed down through the soil is known as leaching."}]},{"id":"da50bb0a-3b5a-4fc2-ac26-da4855b4435e","cardType":"basic","points":1,"front":"Where are most rainforest nutrients stored?","back":"In the living plants, not the soil.","mcqOptions":[{"text":"In the living plants, not the soil.","correct":true,"explanation":"Most rainforest nutrients are held in living plants as biomass, because rapid uptake by vegetation prevents many nutrients remaining in the soil."},{"text":"In the soil, not the plants.","correct":false,"explanation":"Rainforest soils are often nutrient-poor because heavy rainfall leaches nutrients and plants rapidly absorb them; the main store is living vegetation."},{"text":"In the leaf litter, not the soil.","correct":false,"explanation":"Leaf litter contains nutrients temporarily, but decomposition and rapid uptake transfer them quickly into living plants, the main nutrient store."},{"text":"In the rainwater, not the soil.","correct":false,"explanation":"Rainwater transports dissolved nutrients away rather than storing most of them; living plants contain the largest proportion of rainforest nutrients."}]},{"id":"225dc1ec-523e-44c9-b816-3188a7786340","cardType":"basic","points":2,"front":"Why are rainforest soils often nutrient-poor despite lush vegetation?","back":"Leaching removes nutrients and most nutrients are in biomass.","mcqOptions":[{"text":"Leaching removes nutrients and most nutrients are in biomass.","correct":true,"explanation":"Heavy rainfall leaches nutrients from the soil, while rapid plant growth means most available nutrients are held in living biomass rather than soil."},{"text":"Decomposition removes nutrients and most nutrients are in biomass.","correct":false,"explanation":"High temperatures speed decomposition and can release nutrients, but the key causes of poor soil are leaching and nutrient storage in biomass."},{"text":"Leaching adds nutrients and most nutrients are in biomass.","correct":false,"explanation":"Heavy rainfall does not add nutrients to soil; it washes them downwards. Leaching removes nutrients while biomass stores most of them."},{"text":"Leaching removes nutrients and most nutrients are in the soil.","correct":false,"explanation":"Most nutrients are not stored in the soil because vegetation takes them up rapidly. Leaching and biomass storage explain the poor soil."}]},{"id":"fba4a82e-62d6-4538-807e-265a2668f858","cardType":"cloze","points":null,"front":"[ ] transfers water to the atmosphere by evaporation and plant transpiration.","back":"Evapotranspiration transfers water to the atmosphere by evaporation and plant transpiration.","mcqOptions":[{"text":"Evapotranspiration","correct":true,"explanation":"Evapotranspiration combines evaporation from surfaces with transpiration from plants, transferring water from the land and vegetation into the atmosphere."},{"text":"precipitation","correct":false,"explanation":"Precipitation is water falling from the atmosphere as rain, snow or hail; it does not describe water transferred upwards by plants and evaporation."},{"text":"infiltration","correct":false,"explanation":"Infiltration is water entering the soil, so it describes downward movement rather than transfer into the atmosphere through evaporation and transpiration."},{"text":"condensation","correct":false,"explanation":"Condensation changes water vapour into liquid droplets in clouds, whereas the combined upward transfer by evaporation and transpiration is evapotranspiration."}]},{"id":"7da473cb-98c5-4685-902e-73f8253e8938","cardType":"basic","points":2,"front":"How do rainforest trees help maintain local humidity and rainfall?","back":"Trees release water vapour through transpiration.","mcqOptions":[{"text":"Trees release water vapour through transpiration.","correct":true,"explanation":"Transpiration releases water vapour from leaves through tiny openings, adding moisture to the air and helping sustain humid conditions and rainfall."},{"text":"Trees absorb water vapour through transpiration.","correct":false,"explanation":"Roots absorb water from the soil rather than releasing it into the atmosphere; transpiration from leaves supplies water vapour and maintains humidity."},{"text":"Trees release oxygen through transpiration.","correct":false,"explanation":"Photosynthesis uses carbon dioxide and releases oxygen, but this does not directly maintain atmospheric moisture; transpiration releases water vapour."},{"text":"Trees store water through transpiration.","correct":false,"explanation":"Trees can store water temporarily, but local humidity and rainfall are supported by water vapour released from leaves during transpiration."}]},{"id":"ddd2cd0a-ca12-4e4c-93a7-887d1071c37f","cardType":"basic","points":2,"front":"After tree clearance, what happens to runoff and leaching?","back":"Both increase because there is less canopy cover and fewer roots.","mcqOptions":[{"text":"Both increase because there is less canopy cover and fewer roots.","correct":true,"explanation":"Tree clearance removes canopy interception and root uptake, so more rain reaches the ground as surface runoff and more nutrients are washed through the soil by leaching."},{"text":"Both decrease because clearance reduces infiltration and evaporation.","correct":false,"explanation":"Clearance generally exposes the ground and reduces root uptake, so runoff and leaching both increase rather than decrease. Less interception means more water reaches the soil surface."},{"text":"Runoff increases but leaching decreases because fewer roots hold soil nutrients.","correct":false,"explanation":"Although runoff does increase, fewer roots cannot prevent leaching; they reduce nutrient uptake, allowing more dissolved nutrients to be washed down through the soil."},{"text":"Runoff decreases but leaching increases because exposed soil absorbs more rainfall.","correct":false,"explanation":"Exposed soil usually produces more surface runoff because canopy interception and infiltration are reduced. Leaching also increases, so both processes rise after clearance."}]},{"id":"2f532abc-7c61-4976-8994-7429586883ed","cardType":"basic","points":2,"front":"Why may crop yields fall a few years after rainforest clearance?","back":"The soil store is small, so nutrients are quickly lost.","mcqOptions":[{"text":"The soil store is small, so nutrients are quickly lost.","correct":true,"explanation":"Rainforest soils often contain few stored nutrients, while heavy rainfall causes rapid leaching. Once vegetation is removed, nutrients are quickly lost and crop yields decline."},{"text":"The soil store is large, so nutrients remain available.","correct":false,"explanation":"A large soil store would help maintain fertility, but rainforest soil stores are small. Heavy rainfall and reduced root uptake cause nutrients to be rapidly lost after clearance."},{"text":"The litter store is small, so nutrients are quickly lost.","correct":false,"explanation":"A small litter store is linked to rapid decomposition, but the main reason crop yields fall is that the soil store is small and nutrients are quickly leached away."},{"text":"The biomass store is small, so nutrients are quickly lost.","correct":false,"explanation":"Clearance removes much of the biomass store, but declining yields mainly result from the small soil store and rapid nutrient losses through leaching."}]},{"id":"4ed95c91-1254-4d35-8a6b-474aaaf7d232","cardType":"cloze","points":null,"front":"In a tropical rainforest Gersmehl model, the largest nutrient store is the [ ].","back":"In a tropical rainforest Gersmehl model, the largest nutrient store is the biomass store.","mcqOptions":[{"text":"biomass store","correct":true,"explanation":"Most nutrients in a tropical rainforest ecosystem are held in the living vegetation, so the biomass store is the largest in the Gersmehl model."},{"text":"litter store","correct":false,"explanation":"The litter store is small because warm, wet conditions make decomposition rapid. Nutrients are transferred quickly into the soil and biomass rather than accumulating as litter."},{"text":"soil store","correct":false,"explanation":"Rainforest soils store relatively few nutrients because rapid uptake and heavy leaching prevent accumulation. The largest store is the biomass store."},{"text":"decomposer store","correct":false,"explanation":"Decomposers process nutrients rapidly but are not the largest store in this model. Most nutrients are held in the living vegetation, forming the biomass store."}]},{"id":"c3a38d16-88c0-4326-8bec-52cb30a9bd87","cardType":"cloze","points":null,"front":"In tropical rainforests, the litter store is small because dead leaves decompose [ ].","back":"In tropical rainforests, the litter store is small because dead leaves decompose quickly.","mcqOptions":[{"text":"quickly","correct":true,"explanation":"High temperatures and heavy rainfall create ideal conditions for decomposers, so dead leaves break down quickly and nutrients are rapidly released rather than stored as litter."},{"text":"slowly","correct":false,"explanation":"Cool or dry conditions would slow decomposition and allow litter to build up. In tropical rainforests, warm and wet conditions make decomposition quick, keeping the litter store small."},{"text":"seasonally","correct":false,"explanation":"Rainforests have warm, wet conditions throughout the year, so decomposition is not mainly restricted to a particular season. Rapid year-round decomposition keeps the litter store small."},{"text":"irregularly","correct":false,"explanation":"Decomposition is generally continuous because warmth and moisture are available all year. This rapid, steady process prevents a large accumulation of dead leaves."}]},{"id":"6117f826-dbc6-46b4-93db-59b43ef2a387","cardType":"basic","points":2,"front":"Why is the rainforest soil store small in the Gersmehl model?","back":"Nutrients are rapidly taken up by roots or lost by leaching.","mcqOptions":[{"text":"Nutrients are rapidly taken up by roots or lost by leaching.","correct":true,"explanation":"Plants rapidly absorb available nutrients through their roots, while intense rainfall washes other nutrients down through the soil. These processes prevent a large soil store developing."},{"text":"Nutrients are slowly taken up by roots or retained by leaching.","correct":false,"explanation":"Root uptake is rapid, not slow, and leaching removes nutrients rather than retaining them. These rapid losses explain why the rainforest soil store is small."},{"text":"Nutrients are rapidly released by roots or lost by evaporation.","correct":false,"explanation":"Roots mainly take nutrients up rather than release them, and dissolved nutrients are lost through leaching, not evaporation. Together these processes keep the soil store small."},{"text":"Nutrients are rapidly stored by roots or lost by runoff.","correct":false,"explanation":"Roots take up nutrients into vegetation rather than storing them in the soil, while the key nutrient loss is leaching through the soil, not mainly surface runoff."}]},{"id":"4e14a415-8a1d-4f9a-8cf3-588532345bf8","cardType":"basic","points":2,"front":"How does the warm, wet all-year climate increase biodiversity?","back":"It allows continuous plant growth, supporting many food webs.","mcqOptions":[{"text":"It allows continuous plant growth, supporting many food webs.","correct":true,"explanation":"Warm temperatures, plentiful rainfall and sunlight throughout the year allow plants to grow continuously. This provides food and habitats for many interconnected food webs."},{"text":"It causes seasonal plant growth, supporting few food webs.","correct":false,"explanation":"Tropical rainforests lack a pronounced cold or dry season, so plant growth is largely continuous. Continuous productivity supports many, rather than few, food webs."},{"text":"It prevents continuous plant growth, reducing competition.","correct":false,"explanation":"The warm, wet climate promotes year-round growth rather than preventing it. High productivity creates abundant food and many interactions, increasing biodiversity and competition."},{"text":"It allows rapid soil formation, supporting many food webs.","correct":false,"explanation":"Rainforest soils are often heavily weathered and nutrient-poor, so rapid soil formation is not the main explanation. Continuous plant growth provides the energy supporting many food webs."}]},{"id":"fdb166cf-e129-4494-b64d-c424fceb2f92","cardType":"basic","points":2,"front":"How do vertical rainforest layers increase biodiversity?","back":"They create many habitats and niches from floor to treetops.","mcqOptions":[{"text":"They create many habitats and niches from floor to treetops.","correct":true,"explanation":"Different rainforest layers vary in light, temperature, moisture and food availability. These differences create many habitats and niches, allowing numerous species to coexist."},{"text":"They create one habitat and niche from floor to treetops.","correct":false,"explanation":"Conditions change substantially between the forest floor, understory, canopy and emergent layer. This produces many distinct habitats and niches, not one uniform environment."},{"text":"They remove many habitats and niches from floor to treetops.","correct":false,"explanation":"Vertical layering increases environmental variety rather than removing it. Different layers offer specialised living conditions, which allows more species to occupy separate niches."},{"text":"They create many food chains and climates from floor to treetops.","correct":false,"explanation":"Layers do support different food chains and microclimates, but the direct biodiversity explanation is that they create many habitats and niches for species to occupy."}]},{"id":"f8180c00-758f-430f-b67a-ea49d5773607","cardType":"basic","points":2,"front":"Why do many rainforest trees have buttress roots?","back":"They provide support in shallow soils.","mcqOptions":[{"text":"They provide support in shallow soils.","correct":true,"explanation":"Rainforest soils are often thin and nutrient-poor, so buttress roots spread widely above ground to brace tall trees and provide stability without deep roots."},{"text":"They provide nutrients in shallow soils.","correct":false,"explanation":"Buttress roots mainly brace and stabilise tall trees; they do not provide the principal nutrient supply. The correct function is support in shallow soils."},{"text":"They provide water storage in shallow soils.","correct":false,"explanation":"Buttress roots are adapted mainly for stability, not storing water. Their broad structures help support tall trees where shallow soils limit deep root anchorage."},{"text":"They provide shade in shallow soils.","correct":false,"explanation":"The large roots do not primarily shade the soil. They spread near the surface to brace the tree and provide support where deep rooting is difficult."}]},{"id":"e69d23fc-ecdb-4cf6-9f25-680383588b5e","cardType":"basic","points":2,"front":"How do drip-tip leaves improve survival in rainforests?","back":"They shed heavy rainfall, reducing rot and fungal growth.","mcqOptions":[{"text":"They shed heavy rainfall, reducing rot and fungal growth.","correct":true,"explanation":"Drip tips allow heavy rainfall to run off leaves quickly. This prevents water accumulating on the leaf surface, reducing the risk of rot and fungal growth."},{"text":"They absorb heavy rainfall, increasing water storage and leaf growth.","correct":false,"explanation":"Drip-tip leaves do not absorb and store rainfall; prolonged surface moisture would encourage disease. They shed heavy rainfall quickly, reducing rot and fungal growth."},{"text":"They trap heavy rainfall, reducing water loss and root damage.","correct":false,"explanation":"Trapping water on leaves would increase moisture and fungal growth rather than improve survival. Drip tips shed heavy rainfall, allowing water to drain rapidly from the surface."},{"text":"They reflect strong sunlight, reducing heat and moisture loss.","correct":false,"explanation":"Reflecting sunlight is not the main function of drip tips, which are shaped to channel water away. They shed heavy rainfall, reducing rot and fungal growth."}]},{"id":"6794c44a-1410-47ea-a2b0-a0ccf73e36e6","cardType":"basic","points":2,"front":"How can climate change alter rainforest structure?","back":"Drought and fire can kill large trees, opening canopy gaps.","mcqOptions":[{"text":"Drought and fire can kill large trees, opening canopy gaps.","correct":true,"explanation":"Climate change can increase drought stress and fire risk. Large trees may die as a result, creating gaps in the formerly continuous rainforest canopy."},{"text":"Rainfall and flooding can strengthen large trees, closing canopy gaps.","correct":false,"explanation":"This reverses the expected structural change and overlooks increasing climate stress. Drought and fire can kill large trees, opening gaps in the rainforest canopy."},{"text":"Cold and frost can kill small plants, thickening the upper canopy.","correct":false,"explanation":"Cold and frost are not the main climate threats to tropical rainforest structure. Drought and fire can kill large trees and create openings in the canopy."},{"text":"Heat and humidity can grow large trees, sealing canopy gaps.","correct":false,"explanation":"Although rainforests are naturally warm and humid, these conditions do not explain climate-driven canopy disruption. Drought and fire can kill large trees, opening canopy gaps."}]},{"id":"9188810f-15a0-4f0b-9656-198a8859073f","cardType":"basic","points":1,"front":"What could parts of the Amazon shift towards after a tipping point?","back":"A drier, more savanna-like ecosystem.","mcqOptions":[{"text":"A drier, more savanna-like ecosystem.","correct":true,"explanation":"Beyond a tipping point, reduced rainfall and forest loss could prevent dense rainforest from recovering. Parts of the Amazon may therefore become drier and more savanna-like."},{"text":"A wetter, more swamp-like ecosystem.","correct":false,"explanation":"The feared tipping-point change involves drying, not widespread waterlogging. Reduced rainfall and forest feedbacks could shift parts of the Amazon towards a drier, more savanna-like ecosystem."},{"text":"A colder, more tundra-like ecosystem.","correct":false,"explanation":"Tundra develops in very cold climates, so it is not a plausible Amazon tipping-point state. The expected shift is towards a drier, more savanna-like ecosystem."},{"text":"A denser, more rainforest-like ecosystem.","correct":false,"explanation":"This reverses the projected effect, as a tipping point would weaken rather than strengthen rainforest conditions. Parts of the Amazon could become drier and more savanna-like."}]},{"id":"89e2a750-f79c-41a9-b42b-9dc1458e47fe","cardType":"basic","points":2,"front":"How do high commodity prices affect rainforest clearance?","back":"They encourage clearance for valuable products like timber, beef or palm oil.","mcqOptions":[{"text":"They encourage clearance for valuable products like timber, beef or palm oil.","correct":true,"explanation":"High commodity prices increase the potential profit from selling timber or converting forest into cattle ranches and plantations. This creates a stronger incentive for clearance."},{"text":"They discourage clearance for valuable products like timber, beef or palm oil.","correct":false,"explanation":"This reverses the economic relationship between prices and land use. High commodity prices increase expected profits, encouraging clearance for timber, beef or palm oil."},{"text":"They prevent clearance by making products like timber, beef or palm oil unaffordable.","correct":false,"explanation":"Higher selling prices do not make production unaffordable for producers; they usually make it more profitable. They therefore encourage rainforest clearance for valuable commodities."},{"text":"They reduce clearance by lowering demand for products like timber, beef or palm oil.","correct":false,"explanation":"High prices may sometimes affect consumers, but they primarily raise potential producer profits rather than automatically lowering demand. This encourages clearance for valuable rainforest commodities."}]},{"id":"130b8ad3-6a98-4352-9ea4-b3cb471b10b9","cardType":"basic","points":2,"front":"How do logging roads encourage further deforestation?","back":"They open remote forest, making further clearance easier.","mcqOptions":[{"text":"They open remote forest, making further clearance easier.","correct":true,"explanation":"Logging roads provide vehicles, workers and settlers with access to previously isolated areas. This makes transporting timber and clearing additional rainforest much easier."},{"text":"They protect remote forest, making further clearance harder.","correct":false,"explanation":"Roads do not protect isolated forest; they remove the barrier of inaccessibility. Logging roads open remote forest, making later settlement and clearance easier."},{"text":"They flood remote forest, making further clearance unnecessary.","correct":false,"explanation":"Flooding is not the main way logging roads affect deforestation. Their key impact is opening remote forest to machinery, settlers and further clearance."},{"text":"They isolate remote forest, making further clearance impossible.","correct":false,"explanation":"This reverses the effect of road building, which increases rather than restricts access. Logging roads open remote forest and allow further clearance to spread."}]},{"id":"3674d86e-f125-4925-b125-238a5273aa51","cardType":"basic","points":1,"front":"A forest falls from 100 km² to 82 km². What is the percentage loss?","back":"18% decrease.","mcqOptions":[{"text":"18% decrease.","correct":true,"explanation":"The forest loses $100-82=18$ km². Dividing the loss by the original 100 km² and multiplying by 100 gives an 18% decrease."},{"text":"82% decrease.","correct":false,"explanation":"This mistakes the percentage of forest remaining for the percentage lost. Since 82% remains, the loss is $100%-82%=18%$, giving an 18% decrease."},{"text":"22% decrease.","correct":false,"explanation":"This results from an incorrect subtraction between the original and final areas. The actual loss is $100-82=18$ km², which is 18% of 100 km²."},{"text":"18% increase.","correct":false,"explanation":"The numerical difference is 18%, but the direction is wrong because the area falls from 100 km² to 82 km². It is an 18% decrease."}]},{"id":"42aebab1-5b07-4cb2-94a6-3892fa43c4da","cardType":"cloze","points":null,"front":"The Osa Peninsula is in south-west [ ].","back":"The Osa Peninsula is in south-west Costa Rica.","mcqOptions":[{"text":"Costa Rica","correct":true,"explanation":"The Osa Peninsula lies on the Pacific coast of south-west Costa Rica. It is known for extensive tropical rainforest and Corcovado National Park."},{"text":"Panama","correct":false,"explanation":"Panama borders Costa Rica and has tropical rainforest, making it a plausible confusion. However, the Osa Peninsula is in south-west Costa Rica."},{"text":"Nicaragua","correct":false,"explanation":"Nicaragua is another Central American country with tropical forests, but it lies north of Costa Rica. The Osa Peninsula is in south-west Costa Rica."},{"text":"Guatemala","correct":false,"explanation":"Guatemala contains tropical rainforest but is much farther north in Central America. The Osa Peninsula is located in south-west Costa Rica."}]},{"id":"71cd3e72-3d23-47d1-bf9f-beb1704bd120","cardType":"basic","points":2,"front":"How can payments for ecosystem services encourage rainforest conservation?","back":"They give landowners a financial reason to keep forest standing.","mcqOptions":[{"text":"They give landowners a financial reason to keep forest standing.","correct":true,"explanation":"Payments reward landowners for services provided by intact forest, such as carbon storage or watershed protection. Conservation therefore becomes financially worthwhile compared with clearance."},{"text":"They give landowners a legal requirement to keep forest standing.","correct":false,"explanation":"Payments create an economic incentive rather than imposing a law. They give landowners a financial reason to conserve forest and continue providing valuable ecosystem services."},{"text":"They give landowners a farming incentive to keep forest standing.","correct":false,"explanation":"Farming incentives commonly encourage land conversion rather than protection of intact rainforest. Ecosystem-service payments instead provide a financial reason to keep forest standing."},{"text":"They give landowners a tourism permit to keep forest standing.","correct":false,"explanation":"A tourism permit is not the defining mechanism of ecosystem-service payments. These schemes provide landowners with a financial reason to conserve standing forest."}]},{"id":"01b80021-0f83-4553-8927-38a2342b12c1","cardType":"basic","points":2,"front":"How can ecotourism support sustainable management in the Osa Peninsula?","back":"It creates local jobs and makes standing forest economically valuable.","mcqOptions":[{"text":"It creates local jobs and makes standing forest economically valuable.","correct":true,"explanation":"Ecotourism provides residents with employment while generating income from conserving wildlife and forests. This gives local communities an economic incentive to protect the rainforest rather than clear it."},{"text":"It creates large-scale logging jobs and makes cleared forest economically valuable.","correct":false,"explanation":"Large-scale logging depends on cutting down trees, so it is not a sustainable benefit of ecotourism. Ecotourism instead creates local jobs and gives standing forest economic value."},{"text":"It prevents local employment and makes imported food economically valuable.","correct":false,"explanation":"Ecotourism can increase local employment rather than prevent it, and imported food does not directly encourage rainforest conservation. It supports sustainability by creating local jobs and valuing standing forest."},{"text":"It funds commercial cattle ranching and makes forest clearance economically valuable.","correct":false,"explanation":"Commercial cattle ranching commonly requires rainforest clearance, so funding it would undermine sustainable management. Ecotourism instead creates local jobs while making the intact forest economically valuable."}]}]}],"examCountdown":{"examDate":"2027-05-18","paperLabel":"Paper 1"},"heading":"Tropical rainforests","title":"Tropical rainforests Flashcards","topbar":{"backHref":"/gcse/geography/edexcel/a/flashcards"},"topicSidebar":"$L38"}]}],"topicId":"d5632118-a368-57d2-b165-c101b2db51fb","walled":"$L39"}],"$L3a","$L3b"]