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Card 26

Front

What do decomposers do?

Back

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Card 27

Front

What does nitrifying bacteria do?

Back

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Card 28

Front

What does nitrogen-fixing bacteria do?

Back

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Card 29

Front

What does denitrifying bacteria do?

Back

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Card 30

Front

How is the human population increasing?

Back

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Card 31

Front

What does global warming cause and how does it happen?

Back

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Card 32

Front

What could acid rain damage/ cause?

Back

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Card 33

Front

Why is ozone depletion bad?

Back

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Card 34

Front

What are indicator species? Give examples of them.

Back

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Card 35

Front

What are the advantages and disadvantages of using non-living methods to check the pollution level?

Back

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