Which of the following is a correct statement about the nitrogen cycle?

Practice question

Question

Which of the following is a correct statement about the nitrogen cycle?

Options

Choose one · Correct answer highlighted

Plants can directly absorb nitrogen gas from the atmosphere Denitrification converts nitrates into nitrogen gas Correct Nitrogen fixation releases nitrogen gas into the air Animals can fix atmospheric nitrogen

Explanation

Denitrification is the microbial process that converts nitrates back into nitrogen gas, returning it to the atmosphere.

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