The causes of air pollution.1 vehicle used engine. The car is a source of air pollution problems most substances out of the car at the อนม high carbon oxide hydrocarbon oxide of nitrogen. And of the sulfur compounds are hydrocarbons, about 55% out of the exhaust 25 woven% out of the shaft, the cast room and 20% evaporation in the carburetor. And the fuel tank, and oxides of nitrogen is nitric oxide (NO), nitrogen dioxide (NO2) and Nai, said oxide (N2O) almost entirely out of the exhaust pipe. Toxic to humans directly. The lead in gasoline type super also increase the amount of lead in the air.Smoke and poisonous gas. 2. From factories.- from the factory produce chemicals, including an oil refinery. Power plant factory made beer factory among alcohol sugar paper mill factory smelting ore. Dyeing factory factory made glass, lamp manufacturing plant fertilizer and plant acid.- energy generated from the substance burns fuel such as coal, oil, natural gas, make add substance, in the air, such as hydrocarbons. Other oxides of nitrogen and sulfur in the atmosphere.
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