Question

what does air contain​

Answer 1

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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Answer 2

Answer:

plz mark brainliest

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