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Consider the following pairs :

AgentsAssociated Landforms
1) GlacierHanging Valley
2) RiverDelta
3) WindBarkhans

Which of the pairs given above are correctly matched ?

  • A.1 only
  • B.1 and 2 only
  • C.1 and 3 only
  • D.1, 2 and 3

Answer: D

All three pairs are correct, so the answer is 1, 2 and 3.

  • A hanging valley is formed by a glacier, where a tributary glacier's shallower valley is left high above the main valley deepened by a larger glacier.
  • A delta is built by a river depositing its load at its mouth.
  • Barkhans (barchans) are crescent-shaped sand dunes formed by wind blowing from one direction.

Each landform is a classic example of its agent, so no option leaving a pair out is right.

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