Assume that water filling a crack in a rock undergoes cycles of freezing and melting. Which of the following statement is TRUE?
A)Water shrinks as it freezes, causing the crack walls to be drawn closer together.
B)Water expands as it freezes, causing the crack walls to be pushed apart.
C)Water shrinks as it melts, causing the crack walls to be pulled closer together.
D)Water expands as it melts, causing the crack walls to be pushed apart.

Question

Quizplus · Accepted Answer

When water freezes, it expands and takes up more space than it did as a liquid, which can cause the crack walls to be pushed apart. This can lead to further weathering and erosion of the rock over time.

Assume That Water Filling a Crack in a Rock Undergoes