AQA · Biology · 8461
GCSE Biology: Waste management
Ecology · AQA GCSE Biology (8461), specification point 4.7.3.2. Cards are generated from the exam board's own specification for "Waste management", and every card links back to the page it came from. Specification © AQA — used with attribution.
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Why is more waste being produced by humans today than in the past?
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Rapid growth in the human population and a rising standard of living mean more resources are used, so more waste is produced.
What happens if waste and chemical materials are not properly handled?
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More pollution is caused.
Name three sources of water pollution.
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Sewage, fertiliser and toxic chemicals.
Name two causes of air pollution.
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Smoke and acidic gases.
Name two causes of land pollution.
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Landfill and toxic chemicals.
How does pollution reduce biodiversity?
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Pollution kills plants and animals, so fewer species survive in the ecosystem.
In which three environments can pollution occur?
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Water, air and land.
What is one source of pollution that affects land but not water?
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Landfill.
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