How humans can affect the environment

A quiz on AQA's GCSE Biology B3.4

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  • Created by: Alice
  • Created on: 11-05-13 13:01

1. Global warming is caused by:

  • Carbon dioxide being sequestered by plants and water
  • Global dimming
  • An increase of greenhouse gases causing the greenhouse effect (trapping of infra-red radiation)
  • A rise in sea level
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2. Reactants and products of Biogas?

  • Animal, human, garden, farm waste > Methane and Slurry
  • Farm waste and Slurry > Methane
  • Methane and Slurry > Animal waste
  • Methane > Slurry

3. How is the land from deforestation used?

  • Timbre for housing, crops for food, crops for biofuels
  • For generators
  • To reduce biodiversity
  • To create factories

4. Why is it bad to place household/industrial waste in landfill?

  • Can be explosive
  • Toxic chemicals leak out
  • Contributes to global warming
  • Emits dangerous fumes

5. Herbicides, pesticides, and chemical fertilisers all pollute water by being washed into rivers. What else does?

  • Chemicals from home use e.g. bleach and washing liquids
  • Animal waste
  • Toxic chemicals from landfill leak into waterways and untreated sewage results in a high nitrate level.
  • Poisonous chemicals can mix with sewage to form insoluble bacteria which blocks waterways
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