Question

explain nitrogen fixation and nitrogen cycle​

Answer 1

Answer:

Nitrogen cycle : the cyclic process of nitrogen being fixed , used by plants and animals , and later returned to the atmosphere is called nitrogen cycle .

Nitrogen fixation : the process of converting free nitrogen gas of the atmosphere into nitrogen compounds .

Answer 2

Nitrogen fixation: the conversion free gas of nitrogen in atmosphere into nitrogen coumpounds is called nitrogen fixation

Nitrogen cycle: the cycle of nitrogen from soil to air by denitrifying bacteria and decay bacteria act on dead plants and animals and nitrates are taken up by soil and converted into nitrogen.