glacial erosion


a: glacial erosion ~
b: sand paper on wood


The frozen river of very heavy ice flows down hill and slowly grinds on the rocks below. Think of using sand paper on a piece of wood, the sand particles are very hard and when force is applied on the paper and on to the wood, the wood is eroded and smoothed.

Where: Reference Link Has Evaporated
Date: Sep 4 2017 11:03 AM

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