Air containing additives in higher than normal levels
long enough to cause harm to humans, animals, plants, or property
may occur naturally. Such as the dust from the storm, volcanic
.Earthquake, fire, natural gas, polluted air formed by nature a
harm to humans at least, because the source is far and quantity into
human environment and the animals are less cases resulting from the act of
.Human pollution from the exhaust of cars were from the industrial
production from agricultural activities from the evaporation of some of the gas
, which caused the garbage and waste.
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