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Name: Ori
Status: student
Grade: 9-12
Country: Israel
Date: Fall 2013

How do cliffs become notches?

All large rock formations have cracks in them. Erosion takes advantage of pre existing cracks, sometimes called joints, to attack and remove the rock. The agents may be wind, water and or vegetation, but eventually erosion wins out.

Hope this helps. Bob Avakian

Ori I am not sure I understand your question. If you are asking how cliffs get notched out, the answer is most usually water erosion. This picture is from this article:

Sincere regards, Mike Stewart

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