Which term describes the process by which glaciers grind bedrock?
A. plucing
B. weathering
C. frost wedging
D. abrasion
D. abrasion
Abrasion is the term that describes the process by which glaciers grind against the bedrock beneath them, wearing it down through the movement of ice and the debris it carries. This process can polish the surface of the rock and create striations (grooves) that indicate the direction of the glacier's movement.