Water flows into the cracks in a boulder and freezes. The water expands and pushes the rock apart. What surface process is this?
A)differential weathering
B)fast weathering
C)mechanical weathering
D)chemical weathering

Question

Quizplus · Accepted Answer

This process is known as mechanical weathering, where physical forces, such as the expansion of water upon freezing, break rocks apart without changing their chemical composition.

Water Flows into the Cracks in a Boulder and Freezes