Living organisms have easy access to oxygen. Nitrogen is removed from the atmosphere by nitrogen-fixing soil microorganisms and returned to the atmosphere by bacteria.
What is atmosphere?
The area of air and gas enfolding objects in space, such as stars and planets, or the air surrounding any location, is referred to as the atmosphere.
Nitrogen fixation is the process by which nitrogen is extracted from the atmosphere in its molecular form (N2) and transformed into nitrogen compounds beneficial for other biochemical processes.
Oxygen is readily available to living organisms. Nitrogen is removed from the atmosphere and back to the atmosphere by nitrogen-fixing soil microorganisms.
Thus, in this way, nitrogen and oxygen in the atmosphere interact with life on earth.
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