Monday, March 19, 2007
Air Pollution
The atmosphere is made up of roughly 78% nitrogen, 21% oxygen, and 1% of other gases like carbon dioxide, inert gases (mostly argon), and moisture. The presence of contaminants in the atmosphere which is injurious to life and property is considered air pollution. The contaminants such as obnoxious gases, dust, smoke, vapor are what we call air pollutants.
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