It is mostly made up of oxygen and hydrogen atoms.

The series of event in which nitrogen, flows between living and non-living entities such as atmosphere, soil, water, plants, animals and microbes.

It can break down organic materials in soils, causing decomposition.

During this stage nitrogen passes from the atmosphere to the soil

Converts nitrites to nitrates

Microorganisms convert nitrates to atmospheric nitrogen in a process of

must change form in order to proceed through various stage of cycle

greeenhouse gas that absorb heat in the atmosphere

 It is the elements that make up the majority of the atmosphere’s composition.