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 :
- A. 1 only
- B. 2 only
- C. Both 1 and 2 ✓
- 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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