Air pollution refers to contaminants in the air, higher than normal levels for the time. Long enough to cause harm to humans, animals, plants or other property may occur naturally, such as dust from the winds. Volcanic eruptions, earthquakes, forest fires, natural gas, air pollution occurs. By nature is very little danger to humans. The source and amount of the far condition. Environment of humans and animals is minimal. Cases caused by human activities, including pollution from the exhaust. Of the industry, from the production of agricultural activity by evaporation. Some of the gas Caused by garbage and waste.
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