Abrasion is usually confined to a zone that extends up to ________ above the ground.
A) 1 cm (0.39 in)
B) 1 m (3.28 ft)
C) 5 m (16.4 ft)
D) 10 m (32.4 ft)

Question

Quizplus · Accepted Answer

Abrasion is the process of wearing away of the surface of a material due to friction or impact. In the context of geology, it refers to the mechanical weathering of rock surfaces due to the action of sediment-laden water, ice, or wind. The zone of abrasion extends up to about 1 meter (3.28 feet) above the ground, beyond which the effects of abrasion diminish rapidly. Therefore, the correct choice is B.

Abrasion Is Usually Confined to a Zone That Extends Up