Most mechanical weathering is the result of
A) the freezing of water in crevices in rock.
B) the growth of plant roots.
C) wave action.
D) rain.

Question

Quizplus · Accepted Answer

The freezing and thawing of water in rock crevices causes the water to expand and contract, exerting pressure on the rock and breaking it down. This is a form of mechanical weathering. Plant roots, wave action, and rain can also contribute to mechanical weathering, but they are not the primary cause.

Most Mechanical Weathering Is the Result of