Multiple choice

Which of the following statements is incorrect?

  1. Movement of water-saturated clayey or silty earth materials down low-angle terraces, or hillsides is known as mud flow.

  2. Slump is slipping of one or several units of rock debris with a backward rotation on the slope over which the movement takes place.

  3. Solifluction involves slow down slope of flowing soil mass or fine grained rock debris saturated with water.

  4. The fence posts, telephone poles leaning down slope from their vertical position and in their linear alignment, is due to creep movement.

  5. Mass movements are aided by gravity and geomorphic agents, do not participate in the process of mass movements.
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A Correct answer
Explanation

This statement is incorrect. Thus, this is the correct answer choice. Movement of water-saturated clayey or silty earth materials down low-angle terraces, or hillsides is known as earth flow.

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