what is the meaning of nitrogen
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A nonmetallic element that makes up about 78 percent of the atmosphere by volume, occurring as a colorless, odorless gas. It is a component of all proteins, making it essential for life, and it is also found in various minerals. Nitrogen is used to make ammonia, nitric acid, TNT, and fertilizers.
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a gas that has no colour, taste or smell. Nitrogen forms about 80% of the air around the earth
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