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corrasion

Corrasion  
Part of the National cirriculum

Norwegian fjord - Click to enlarge
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Grinding away of solid rock surfaces by particles carried by water, ice, and wind. It is generally held to be the most significant form of erosion in rivers. As the eroding particles are carried along they are eroded themselves (becoming rounder and smaller) due to the process of attrition.

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White represents a desire for peace and liberty. Green symbolizes freedom and agricultural wealth. Red stands for the courage of spilt blood of the freedom fighters. Effective date: 22 November 1990.

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