Sources of pollution, Biology

There are two main sources of pollution:

(1). Natural Sources:

            (a) Volcanic ash

            (b) Marsh gas (CH4) released from decay of organic matter.

            (c) Dust from dust storm.

            (d) Pollengrains, spors, bacteria, cysts etc.

(2). Anthropogenic sources:

Man has aggravated the problem of pollution by his innumerable activities like.

            (a) Industrialization

            (b) Revolution in automobile industry

            (c) Deforestation

            (d) Nuclear explosion

            (e) Over exploitation of natural resources.

Posted Date: 7/11/2012 3:42:20 AM | Location : United States







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