N2 content is kept constant in the biosphere due to Options: A . &nbspN2 fixation B . &nbspindustrial pollution C . &nbspnitrogen cycle D . &nbspabsorption of N2

N2 content is kept constant in the biosphere due to

Question - N2 content is kept constant in the biosphere due to

Options:

A . N2 fixation

B . industrial pollution

C . nitrogen cycle

D . absorption of N2

Answer: Option C

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