You are presented with the question "Ice wedging is when freezing water expands and what?" and the following answer choices: 
- a delta
 - breaks rocks
 - closes schools
 - freezes gas
 - destroys toys
 - erosion
 - solid, liquid, gas
 - near the shoreline

Now knowing that ice wedging is when ice causes rocks to crack by expanding in openings and freezing water expands cracking and breaking the rocks, choose the best answer.


 

  breaks rocks       