what is air ,what is air
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72
Answer:
air is a mixture of many gases and consist of tiny particles
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27
Answer:
Air refers to the Earth's atmosphere. Air is a mixture of many gases and dust particles. 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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