You are required to share at least one post per week on a topic we have studied in class. Be thoughtful and use geographic vocabulary in your posts for higher marks. Have fun and learn from this online sharing opportunity.
Tuesday, March 13, 2012
Arete
An arete is a sharp, knife-like, ridge of rock which is formed when glaciers erode parallel U-shaped valleys. The edge of the rock is sharpened by freeze-thaw weathering.
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