What is nitrogen .what is composition of air
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nitrogen is very essential constituent for all living beings as part of chlorophyll,proteins, nucleic acid. it is 78%in the atmosphere
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Nitrogen is an element that is present abundantly in the air
78.09% of the air is composed of nitrogen
20.95% of air is oxygen
0.93% is argon
0.04% is carbon dioxide and small amounts of other gases
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