Question

$hello \: guys \\ what \: is \: the \: compostion \: of \: air \: \: \:$
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Answer 1

Answer:

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Answer 2

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.

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