Write down the chemical composition of air
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The air in the atmosphere consists of nitrogen, oxygen, which is the life-sustaining substance for animals and humans, carbon dioxide, water vapour and small amounts of other elements (argon, neon, etc.). Higher in the atmosphere air also contains ozone, helium and hydrogen
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there is chemical composition for air
air contains various gases like oxygen O2 , Helium He , Argon , Neon , Nitrogen N2 etc
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