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[Audio] OVERVIEW Definition of pollution . Type of pollution. Air pollution. Water pollution. Noise pollution . Land pollution . Radio Active pollution..
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[Audio] DEFINITION OF POLLUTION When Harmful Substances Contaminate the Environment, it is Called Pollution . Pollution refers to the very bed condition of environment in terms of quantity and quality..
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[Audio] TYPES OF POLLUTION There are Five types of pollution. Air pollution Water pollution Noise pollution Land pollution Radio Active pollution.
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