Question

The process by which repeated freezing and thawing cycles cause rocks to break up is known as
a. erosion.
b. physical deposition.
c. chemical weathering.
d. mechanical weathering.

Answer 1

The answer is B. physical deposition because freezing and thawing are physical factors that affect weathering.

Answer 2

A. Erosion, because it causes the rock to expand every time it freezes.
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