ESS
Grade-4
Easy

Question

__________ is the erosion and transportation of pieces of rocks.

  1. Abrasion
  2. Plucking
  3. Mass movement
  4. Arete

hintHint:

The meaning of the word is to take or remove something from a place.

The correct answer is: Plucking


    The correct option is b) Plucking.
    • There are two main processes of glacial erosion. The first is plucking, defined as the erosion and transport of large rocks.
    • When a glacier crosses land, water beneath the glacier melts and seeps into cracks in the underlying bedrock.
    • This water freezes and melts, weakening the bonds that hold rock fragments together. The resulting rock can be stripped from its rocky base and easily transported along a moving glacier.
    • Plucking removes rocks and changes the landscape.

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