Question

Which proces completes the nitrogen cycle?

Answer 1

The final aspect of the nitrogen cycle is the process of denitrification. In that process, varies organism like microscopic bacteria, and fungi decompose the nitrate in the soil into nitrogen gas which they release into the air.

From https://www.cas.miamioh.edu/mbi-ws/biogeochemicalcycles/Nitrogen/nitrogen.htm

Answer 2

Answer:

The correct answer is "denitrification".

Explanation:

Denitrification is the final step and the one that completes the nitrogen cycle. In this step, microorganisms reduce the nitrates of the soil to nitrogen gas, completing the cycle back to the atmosphere. This process occurs when bacterias such as Pseudomonas and Paracoccus use nitrate as electron acceptors during respiration.