is naturally occuring in the stratosphere where it protects the surface of the earth from the sun's UV Ozone radiation. is a pollutant formed during the combustion of coal and Nitrogen dioxide oil. is a pollutant formed when NO, formed in internal combustion engines, combines with the oxygen in the atmosphere. Sulfur dioxide is a substitute for CFC's, because it decomposes in the troposphere and therefore is not implicated Dichloromethane in the destruction of ozone in the stratosphere. Previous 6:39 PM 3/21/2020 FLV

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