Air pollution refers to contaminants in the air with a higher than normal level
is long enough to cause harm to humans, animals, plants or assets
.May occur naturally, such as dust storms.
Earthquakes, volcanic eruptions, forest fires, air pollution, natural gas, occurring naturally as
dangerous to humans because the source is far less and the amount that enters
.Environment, human and animal cases, caused by the actions of human
include pollution from car exhaust, industrial activities, agricultural production of
of the evaporating gas, certain types of
.Caused by solid waste and waste
.
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