Multiple choice

How is denitrification different from nitrification?

  1. Denitrification releases N2 gas

  2. Denitrification absorbs N2 gas from the atmosphere

  3. Denitrification involves animals

  4. Nitrification involves animals
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A Correct answer
Explanation

Nitrification converts ammonia into nitrates, which plants can use. Denitrification is the process where bacteria convert nitrates back into nitrogen gas, releasing it into the atmosphere.

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