Question

Why is atmospheric nitrogen not helpful to us? *

Answer 1

Most of the nitrogen in the atmosphere is unavailable for use by organisms

Step-by-step explanation:

The strong triple bond between the N atoms in N2 molecules makes it relatively un reactive. However, organisms need reactive nitrogen to be able to incorporate it into cells.

Answer 2

All organisms require nitrogen to live and grow. Although the majority of the air we breathe is N2, most of the nitrogen in the atmosphere is unavailable for use by organisms. This is because the strong triple bond between the N atoms in N2 molecules makes it relatively unreactive.