Answer :

Answer:

C. glaciers

Explanation:

The definition of glaciers is large masses of ice that travel over land surfaces. They transport material as they move and leave it behind on the way: rocks, sediments, and debris. This phenomenon, known as glaciation, plays a major role in how sediment is moved and erosion occurs. Glaciers erode rocks by dragging and scratching themselves against the bedrock; their action creates valleys, and fjords— even entire landscapes are sculpted by this erosive force over time.

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