• 1. 
    Erosion causes

  • Changes
  • No change
  • Upliftment
  • Construction of land
  • 2. 
    Deflation and abrasion activities are associated with

  • waves
  • rivers
  • winds
  • glaciers
  • 3. 
    What are the most important landforms in desert areas?

  • Chardong
  • Interbedded rocks
  • Sand dunes
  • Valleys
  • 4. 
    In the middle stages, erosion of valley sides is

  • vertical
  • lateral
  • gradual
  • negligible
  • 5. 
    Which of the following is created by soil erosion by the rivers?

  • V-shaped valley
  • Waterfall
  • Delta
  • Sand dunes
  • 6. 
    The total number of wings a seif has is

  • one
  • three
  • five
  • six
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