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How much of earth’s air is made of Nitrogen?

User Gionata
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Answer:

The earth has precisely 78.09% of Nitrogen in its air.

Explanation: By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.

User Mark Vizcarra
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Answer:

Earth's atmosphere is at least 78% Nitrogen im sure..................................

User Jerome Puttemans
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