Question

what are the composition of air​

Answer 1

Answer:

air contains about 78% nitrogen 21% oxygen,0.9% of argan,0.03% of carbon dioxide are very small amounts of some other gases

Answer 2

hey mate...

here is your answer...

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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