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Mechanical and Chemical Weathering

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ali umar

on 21 October 2012

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Transcript of Mechanical and Chemical Weathering

aesfsdfds Chemical Weathering kdjcshifsa;lcmzklchasioc
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dvfsdvkndhskv In Chemical Weathering there is a change
in the composition in oxidation,carbonation
and hydration. The oxidation combines with minerls and elements. They can be in the
colour red and the colour of rust Carbonation mostly effects on
calcite in limestone and marble.
An acid called carbonic create in
the mountains. They are shaped in sinkholes.
Hydration includes water that is the main part of the whole process with minerls that become soft and hard rocks. In Chemical Weathering the rocks mostly change and get softer and fall apart. Mechanical Weathering Does Mechanical weathering only
break rocks? No, Mechanical Weathering also breaks down
trees and chips them into little pieces. Mechanical Weathering happens when
different rocks breakdown without any change in the Chemical nature of rocks. The rocks are torn apart because of
physical force not by Chemical breakdown.
The different forces that can break down
rocks that can be many of them. It includes many things such as energy as the
earth's crust moves slowly.With great amounts
of pressure it will end up as great problems.Constant
freezing and thawing of water are the most common
types of Mechanical Weathering. When physical agents breakdown the rocks
into little pieces, that is called Mechanical Weathering.
Plants and animals can also cause Mechanical Weathering.
These activities cause the rock to expose it's layers. Chemical Weathering Mechanical Weathering
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