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Card 16

Front

What is the carbon cycle ‘powered’ by?

Back

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Card 17

Front

How is CO2 removed from the atmosphere by?

Back

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Card 18

Front

How is carbon returned to the atmosphere?

Back

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Card 19

Front

What happens when plants, algae & animals die?

Back

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Card 20

Front

What is another way that CO2 is released back into the air?

Back

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Card 21

Front

What are 2 types of variation?

Back

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Card 22

Front

What are gametes?

Back

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Card 23

Front

What does the nucleus contain?

Back

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Card 24

Front

How many chromosomes does the human cell contain?

Back

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Card 25

Front

What do chromosomes carry?

Back

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