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Thread Owner
Exists in the atmosphere of acidic gases from pollution, pH of acidic precipitation is less than 5.65 is called acid rain. Acid rain is mainly man-made emissions to the atmosphere caused by a large number of acidic substances. China's acid rain mainly due to the burning of high sulfur coal formed, in addition, a variety of motor vehicle exhaust emissions are also an important reason for the formation of acid rain. In recent years, China has become the acid rain in some areas prone areas, the scope and extent of acid rain pollution has attracted the close attention of the people.
