The most important mechanical weathering process is ________.
A) frost action
B) hydrolysis
C) unloading
D) thermal expansion

Question

Quizplus · Accepted Answer

Frost action (also called frost wedging or ice wedging) is the most important mechanical weathering process because it occurs in any climate where there is frequent freezing and thawing of water. When water freezes, it expands, causing cracks and fractures in rocks to widen and eventually break apart. This process can occur over and over, causing significant physical weathering of rocks.

The Most Important Mechanical Weathering Process Is ________