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Landform representing a crescent-shaped shifting sand dune is called:

  • A.Barchan
  • B.Zeugen
  • C.Playas
  • D.Moraine

Answer: A

The landform is a barchan.

A barchan is a crescent-shaped sand dune that forms where wind blows steadily from one direction and sand is limited. Its horns point downwind and the whole dune migrates in the direction of the wind.

A zeugen is a tabular rock ridge left by wind erosion of alternate hard and soft layers. A playa is a shallow, often salty lake bed in a desert basin. A moraine is a ridge of debris deposited by a glacier.

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