write short note on air
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Air is a mixture of many gases and tiny dust particles. It is the clear gas in which living things live and breathe. There is no air in outer space. Air is a mixture of about 78% of nitrogen , 21% of oxygen , 0.9% of argon , 0.04% of carbon dioxide , and very small amounts of other gases
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Air is a mixture of many gases and tiny dust particles. It is the clear gas in which living things live and breath. It has an indefinite shape and volume Air is a mixture of about 78 percentage of nitrogen , 21 percentage of oxygen , 0.9 percentage argon 0.04 percentage of carbon dioxide and very small amount of other gases.
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