A. Denitrification
B. Lightning
C. Nitrification
D. Putrefaction
E. Rainfall

Correct Answer:

Option A – Denitrification

Explanation

The loss or removal of nitrogen or nitrogen compounds specifically : reduction of nitrates or nitrites commonly by bacteria (as in soil) that usually results in the escape of nitrogen into the air.

SEE ALSO  Under secretion of thyroxine before maturity cause?

Copyright warnings! Do not copy.