e/edexcel/questions","basePath":"/gcse/computer-science/edexcel/environmental/questions","formulaUrl":null,"initialIndex":11,"initialQuestionWindow":[{"id":"a3d116d4-114c-4c82-b53c-bf79d0f02a03","revisionId":"18059db9-d4bd-42a0-a77f-7185525d7598","questionNumber":null,"questionType":"LA","specification":"Decommissioned consumer electronics are frequently shipped to informal processing hubs in developing nations.","difficulty":4,"difficultyBand":"medium","totalMarks":4,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"a712265d-60f1-4afa-a89d-0377a53ea375","label":null,"content":"Describe two distinct pathways through which hazardous materials from the crude extraction of metals in these electronic devices can enter the human body, explaining a specific physiological health consequence for each pathway.","markscheme":"- Describes a first pathway of exposure (e.g., inhalation of toxic fumes/gases from open burning of wiring/casings, or ingestion of leached heavy metals from soils/groundwater, or direct dermal contact during manual dismantling without PPE) M1\n- Links this first pathway to a correct, specific physiological health consequence (e.g., respiratory disease/lung cancer for inhalation, neurological/kidney damage for ingestion, or skin disorders/systemic toxicity for dermal contact) A1\n- Describes a second, distinct pathway of exposure M1\n- Links this second pathway to a correct, specific physiological health consequence A1","marks":4,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"c2340ff2-bbf2-4f6e-95d5-90fda2af5a7f","revisionId":"9647f8a5-caa0-474c-835f-fa87499cce3b","questionNumber":null,"questionType":"LA","specification":"A municipal council partners with a technology company to route the warm exhaust air from a newly built data center directly into the district heating network of a nearby housing estate, rather than dispersing it into the atmosphere using cooling towers.","difficulty":5,"difficultyBand":"medium","totalMarks":3,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"d0092b63-ac32-476f-9f85-84a5aad89d42","label":null,"content":"Explain how utilizing the waste heat from the data center in this way helps to protect the environment.","markscheme":"- Explains that the waste heat directly replaces the need for domestic heating systems (such as gas boilers or electric heaters) in the housing estate B1\n- Explains that this significantly reduces the consumption of primary energy resources (like natural gas or electricity) that would otherwise be required for residential heating B1\n- Connects this reduction in fuel/energy consumption to a decrease in greenhouse gas emissions (e.g. carbon dioxide) or a lower collective carbon footprint B1","marks":3,"order":0,"markingRubric":null,"explanation":null,"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"e643e54e-6e87-41a7-bca9-35b0df9b3d5a","revisionId":"1ff99148-38c3-407f-b98e-1dc70417ea4f","questionNumber":null,"questionType":"LA","specification":"","difficulty":4,"difficultyBand":"medium","totalMarks":4,"sourceTitle":null,"calculatorUse":null,"parts":[{"id":"a4e6a964-79fd-4828-9be3-631d16b1d399","label":null,"content":"Explain two distinct ways in which the informal or improper recycling of electronic waste (e-waste) can lead to the degradation of local natural ecosystems.","markscheme":"- Identifies a first improper practice or pollutant release, such as the leaching of toxic heavy metals (e.g. lead, cadmium, mercury) from dumped circuit boards and batteries into nearby land or water bodies M1\n- Explains the corresponding ecological impact, such as bioaccumulation in aquatic food webs leading to toxicity, reproductive failure, or mortality in wildlife A1\n- Identifies a second distinct improper practice or pollutant release, such as the open burning of plastic-coated cables to recover copper, or

Environmental

Question 5

Environmental Questions

Environmental

Question 5

Environmental Questions