how is nitrogen percentage is most in air as oxygen was produced by plants first
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Standard dry air, which is mainly composed of three gases: nitrogen (about 78%), oxygen (about 21%), and argon (about 1%). Together, these three gases make up 99.96% of dry air. All three can be economically recovered as industrial gas products. Standard dry air also contains a small amount of carbon dioxide, and very small amounts of neon, helium, krypton, hydrogen and xenon
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Explanation:
Due the reactions taking place when the earth was formed high amount of nitrogen was released.
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