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Which of the following best describes how humans affect the nitrogen cycle? Burning fossil fuels Using fertilizers to increase growth of farm crops Planting trees to rebuild a forest Melting the polar
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Which of the following best describes how humans affect the nitrogen cycle?

Burning fossil fuels

Using fertilizers to increase growth of farm crops

Planting trees to rebuild a forest

Melting the polar ice caps

User Gsouf
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3 votes

Answer:

B. Using fertilizers to increase growth of farm crops

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User Ssk
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