Which of the following statements with reference to Glacial trough is/are <strong>CORRECT</strong>? 1. Alpine glaciers strip valleys of their soil, regolith and sediment to form glacial troughs. 2. When the sea level is below the floor of a glacial trough, the seawater enters as the ice front recedes, creating a fiord. Select the answer using the code given below :

  1. A. 1 only
  2. B. 2 only
  3. C. Both 1 and 2
  4. D. Neither 1 nor 2

Correct Answer: C. Both 1 and 2

Explanation

Glacial troughs are U-shaped valleys carved by alpine glaciers. Fiords are formed when these deep troughs are flooded by the sea. Both statements are accepted as correct.

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