ESS
Grade-4
Easy

Question

U-shaped valleys are also called __________.

  1. V shaped valley
  2. Arete
  3. Glacial trough
  4. Earth trough

hintHint:

It is formed by glaciation.

The correct answer is: Glacial trough


    The correct option is c) glacial trough.
    U-shaped valleys, also called trough valleys or glacial valleys, are the result of the freezing process. They are especially characteristic of mountain glaciers. It has a characteristic U-shape in cross section, with steep, straight sides and a flat or rounded bottom. Earlier this might be a stream or river valley which later got converted into a glacial trough due to glaciers.

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