Multiple choice

What's the function of denitrifying bacteria?

  1. convert N2 into soil nitrogen

  2. convert carbon into nitrogen

  3. convert soil nitrogen into N2

  4. convert nitrate into nitrite
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Denitrifying bacteria convert nitrates in the soil back into nitrogen gas (N2), releasing it into the atmosphere.

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