Question

the main nitrogen reserior in the biosphere is the a. ocean b.rocks c. atmosphere d. organism

Answer 1

hey budy ...
here is your answer
its
D.organism

hope it help you

Answer 2

The main nitrogen reserior in the biosphere is the --
D ] Organism...
=====================================
Organisms in fertile soil which have organic manure, make occur nitrogen fixation.
=====================================
They convert soil nitrogen into nitrogenous compounds like ammonia nitrate, etc.
=====================================
Thanks for your question !