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

Explanation

Denitrification is the process in which bacteria convert nitrates back into nitrogen gas, returning it to the atmosphere.

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