Question

the largest reservoir of nitrogen

Answer 1

Atmosphere consists of many gases, nitrogen being 78%. So the largest nitrogen reservoir on earth is atmosphere.

HOPE THIS WILL HELP YOU
PLZ MARK AS BRAINLIEST

Answer 2

The major component of air is Nitrogen which is about 79% of all the constituents. Hence, is the largest reservoir of Nitrogen.

One of the essential compounds for all the living organism is Nitrogen. However, nitrogen cannot be used in this form for most of the organisms. Biosphere involves cycling of nitrogen in which microorganisms take a major part of it.