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Card 6

Front

What do marine organisms do with carbonate?

Back

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Card 7

Front

How does the carbon in limestone return to the air?

Back

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Card 8

Front

How is nitrogen used in plants?

Back

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Card 9

Front

How are nitrogen compounds passed along the food chain?

Back

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Card 10

Front

What happens to nitrogen compounds in dead plants/animals?

Back

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Card 11

Front

What are decomposers?

Back

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Card 12

Front

What do decomposers do?

Back

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Card 13

Front

What does nitrifying bacteria do?

Back

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Card 14

Front

What does denitrfying bacteria do?

Back

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Card 15

Front

Where is nitrogen-fixing bacteria found?

Back

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