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Geological Engineering · Q16

Geomorphology and Surface Processes

Engineering and GATE · Geological Engineering · question 16

Q16

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

A.
Barchan
Answer
B.
Yardang
C.
Cirque
D.
Loess

Answer: Option A

Solution

Answer: Option A
Solution:
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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