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8 Cards in this Set
- Front
- Back
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What is the rate of growth of human population called? |
Exponential growth |
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Where is the greatest population increasing? |
Developing countries |
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Why do delve oped countries have the highest rate of pollution? |
Burning more fossil fuels |
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What does the carbon footprint show? |
The amount of greenhouse gases given off in a certain time by an individual |
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What do direct methods do? |
Use oxygen probes attached to a computer to show pollution levels |
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How are indicator species used? |
Mayfly larva show clean water Water louse, blood worm, mussels live in polluted waters Lichens grow where the air is clean |
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Advantages of using indicator species? |
Cheap Reliable Monitors level over long period of time |
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Advantage of direct method |
Accurate results at any time |
