Correct option is A
Correct Answer: (A) Moraines
Explanation:
→ Moraines are the debris consisting of rocks, sand, and silt carried and deposited by glaciers.
→ They are formed due to glacial erosion and deposition.
→ Moraines indicate past or present glacial activity.
→ Hence, option (A) is correct.
Information Booster:
→ Terminal moraines form at the end of glaciers.
→ Lateral moraines form along the sides of glaciers.
→ Glaciers are important agents of erosion.
→ Moraines help geographers study ice-age landscapes.