an undesirable commponent in air
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Explanation:
Air pollution is mainly caused by harmful gases like sulphur dioxide, nitrogen, methane, carbon dioxide. ... They disturb the constituents of the air. Air pollution leads to respiratory disease in human beings, reducing plant growth, etc.
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Air mostly contains nitrogen and oxygen and small amounts of argan carbon dioxide and water vapour. Other gases namely hydrogen and methane and hydrogen dioxide with Ozone helium-neon krypton season on carbon monoxide and Sulphur dioxide at present in two successive CO2 and O2 and N2 all the gases are useless and smoke also
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