please answer my questions fastly easy speech on air about 150 words
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air is invisible ,but present around us.air is a mixture of various components like nitrogen,oxygen, carbon dioxide ..ect. nowadays air is getting polluted by various ways.These include harmful substances released by factories,vehicles..ect. These harmful substances like carbon monoxide monoxide ,SPM ..ect are called pollutants. pollutantes ,if inhaled by humans ,it can cause various respiratory diseases. These pollutants when released in large amount,it can lead to global warming .
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