Biology, 25.02.2022 16:50 briannaroberson16
Nitrification and denitrification are important steps in the nitrogen cycle. What is the function of these steps?
A. Balancing the level of oxygen in the soil.
B. Taking the nitrogen from the air.
C. Changing the form of nitrogen as it enters and leaves the soil.
D. Pulling nitrogen from the groundwater.
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