177k views
4 votes
Why does water break apart rock when it freezes?

A. because it expands

B. because it contracts

C. because it evaporates

D. because it dissolves rock

2 Answers

2 votes

Answer:

Step-by-step explanation:

Water expands when frozen and physically forces the rock apart. When water falls into rock cracks and freezes, As water expands on freezing it puts pressure on the walls of the rock deepening the crack and breaking it.

User Nicolas C
by
3.5k points
4 votes
Because it expands explanation
User Curt Nichols
by
3.5k points