Air is present everywhere.
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Posted by Manikanta Telgar 6 years, 11 months ago
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Gaurav Seth 6 years, 11 months ago
Air around us is a mixture of many gases and dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. It has no color or smell. It has mass and weight. It is a matter as it has mass and weight. Air creates atmosphere pressure. There is no air in the vacuum and cosmos.
Air is a mixture of 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.039% carbon dioxide, and small amounts of other gases. There is an average of about 1% water vapour.
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