what are the interactions between atoms that are hydrolyzed by fungi to release nitrogen from these molecules?

A small amount of nitrogen is fixed by lightning, but most of the nitrogen harvested from the atmosphere is removed by nitrogen-fixing bacteria and cyanobacteria (formerly called blue-green algae). The nitrogen cycle transforms diatomic nitrogen gas into ammonium, nitrate, and nitrite compounds.

Ibelieve the answer is c. 

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