s vegetation cover, and trees absorb carbon dioxide from the atmosphere during photosynthesis. Stating this process earns the second **M1**.","highlights":[{"text":"planting trees","location":"specification"}]},{"type":"text","order":4,"title":"Explain carbon storage","content":"The trees store the absorbed carbon, so they are a **carbon sink**: something that takes in and stores more carbon than it releases. This lowers the concentration of heat-trapping greenhouse gases in the atmosphere and helps mitigate climate change, earning **A1**.","highlights":[{"text":"mitigate climate change","location":"specification"}]}]}],"generatedAt":"2026-07-21T04:39:23.550Z","modelVersion":"gpt-5.6-terra","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"70789484-7d05-4bcc-8812-a58a247894f8","revisionId":"0981d559-12b5-4383-8079-b5c254a60702","questionNumber":null,"questionType":"LA","specification":"","difficulty":4,"difficultyBand":"medium","totalMarks":4,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"d1f4fa76-146b-4847-b6ba-2c189124ba66","label":null,"content":"Explain how deforestation and the global expansion of transport networks may have contributed to global temperature rise.","markscheme":"- Explains that deforestation results in fewer trees to absorb carbon dioxide ($CO_2$) from the atmosphere through photosynthesis B1\n- Explains that forest clearance (e.g. slash-and-burn) releases stored carbon back into the atmosphere as $CO_2$, enhancing the greenhouse effect B1\n- Explains that expanding transport networks increases fossil fuel combustion (petrol, diesel, jet fuel) to meet rising travel and trade demands B1\n- Explains that fuel combustion releases greenhouse gases (such as $CO_2$ and nitrous oxides) which trap outgoing infrared radiation, rising global temperatures B1","marks":4,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"781f867a-2479-4a18-a63d-63c1f646ee2c","revisionId":"ea6b07d2-7c5a-496c-81e6-18accf17d0e8","questionNumber":null,"questionType":"LA","specification":"","difficulty":4,"difficultyBand":"medium","totalMarks":4,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"840593d8-38d3-4718-ba3d-d41ee8f0800d","label":null,"content":"Explain how alternative energy production **and** planting trees (afforestation) can help to mitigate climate change.","markscheme":"- Explains that alternative energy involves replacing fossil fuels with renewable sources (such as solar, wind, or tidal power) or nuclear energy, which do not emit carbon dioxide during electricity generation B1\n- Explains that this directly reduces the quantity of greenhouse gases entering the atmosphere, slowing down the enhanced greenhouse effect B1\n- Explains that planting trees (afforestation) increases the global volume of vegetation carrying out photosynthesis B1\n- Explains that trees act as natural carbon sinks, absorbing carbon dioxide ($CO_2$) from the atmosphere and storing it as biomass, which reduces the greenhouse gas concentration B1","marks":4,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null}],"subjectCode":"gcse_geography__aqa","summaries":[{"id":"199b99ae-a8bd-4ac9-bd7a-8bc838f5ac9a","difficultyBand":"easy","calculatorUse":null,"totalMarks":1},{"id":"288196ba-c0e6-4de8-acde-6033d26b914d","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"32667129-01b1-4b4d-9df5-cc25cdbda527","difficultyBand":"medium","calculatorUse":null,"totalMarks":4},{"id":"55c0b5dc-7ca3-41e0-8adc-6dfbb510dd3c","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"5ba40db7-c5c3-48c9-bc2f-f203d63221b5","difficultyBand":"easy","calculatorUse":null,"totalMarks":2},{"id":"70789484-7d05-4bcc-8812-a58a247894f8","difficultyBand":"medium","calculatorUse":null,"totalMarks":4},{"id":"781f867

Climate change

Question 2

Climate change Questions

Climate change

Question 2

Climate change Questions