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Kame terraces are formed by the deposits of ___________ .

  • A.Niche glacier
  • B.Alpine glacier
  • C.Glacier plucking
  • D.Valley glacier

Answer: D

Kame terraces are formed by the deposits of a valley glacier.

A kame terrace is a flat, terrace-like ridge of sand and gravel laid down by meltwater streams flowing in the trough between the side of a valley glacier and the valley wall. When the glacier melts away, the deposit is left as a bench along the valley side.

A niche glacier is a small patch of ice in a hollow on a mountain slope and does not build such terraces. Glacier plucking is an erosional process, not a glacier or a deposit. 'Alpine glacier' is a broad term for mountain glaciers; the landform is specifically tied to the margins of a glacier confined in a valley.

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