Examveda

What is the term for a crescent-shaped dune formed by wind action?

A. Barchan

B. Yardang

C. Cirque

D. Loess

Answer: Option A

Solution (By Examveda Team)

A barchan is a crescent-shaped sand dune formed by consistent wind direction in desert environments.The horns of the dune point downwind.Yardangs are wind-eroded ridges, cirques are glacial, and loess is wind-blown silt.

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