Weathering

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					WEATHERING
The breaking and disintegration of rocks due to climatic or their
weakening and decompositiondue to the chemical reactions is called
weathering. Mechanical weathering and chemical weathering are two types
of weathering. in hot deserts the temperatures within a day varies to a
great extent. This leads to a continuos process of expansion and
contraction of grains in a rock mass.Consequently the rock mass breaks
and disintegrates due to mechanical weathering.

				
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posted:1/5/2012
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