What is air.? What do you understand by air.?
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Explanation:Air is the combination of many gases in the earth’s atmosphere.It comprises of gases like CO2 ,O2, H2 and many more.
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Air is the invisible gaseous vapour medium present around us on the surface of Earth. Air is part of the atmosphere around the Earth. Air consists of a mixture of gases like : Hydrogen, Nitrogen, Oxygen, carbon dioxide etc.
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