Question

how are aretes formed​

Answer 1

Answer:

An arête is a thin, crest of rock left after two adjacent glaciers have worn a steep ridge into the rock. A horn results when glaciers erode three or more arêtes, usually forming a sharp-edged peak. Cirques are concave, circular basins carved by the base of a glacier as it erodes the landscape.

Explanation:

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Answer 2

Answer:

hope my answer is useful for u