Question

It difficult to integrate nitrogen gas from the
atmosphere in the nitrogen cycle of the
biosphere because:
(a) Most plants do not require organic nitrogen
compounds for survival.
(b) N2 gas is not very abundant in the
atmosphere
(C) Few organisms can directly utilise
atmospheric nitrogen gas.
(d) Living organisms quickly absorb N2 gas.​

Answer 1

Answer:

It's difficult to integrate nitrogen grass from the atmosphere directly into the biosphere because of the non-reactivity of nitrogen gas.