Social Sciences, asked by ujjwalsaini248, 1 year ago

Air consistent of percent oxygen

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Answered by Anonymous

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$<body bgcolour=blue><marquee direction="down"><font color=black></p><p>By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere$

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