More cards in this set

Card 6

Front

How much energy is transferred from each trophic level?

Back

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Card 7

Front

Describe the carbon cycle

Back

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Card 8

Front

How does acid rain occur?

Back

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Card 9

Front

Where is NO from?

Back

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Card 10

Front

Where is methane from?

Back

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Card 11

Front

Where are cfcs from?

Back

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Card 12

Front

Name the consequences of global warming?

Back

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Card 13

Front

Describe Eutrophication

Back

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