It wears away because of erosion and weathering.
Erosion wears away the surface of the rock.
sedimentary rock
extrusive ingeous rock
erosion
erosion
Wind (or aeolian) erosion.
It wears away rock. Hoped this help!
erosion
Its sediment
the water hits the rock and wears it down
Erosion
Eventually, rock wears away into sand.