If cycles of freezing and thawing water cause something that can crack rocks, then what is created from cycles of freezing and thawing water?

Answer choices:
- Something that is on the Moon
 - swamp vegetation
 - Something that cracks rocks
 - sedimentary rocks
 - A transportation fuel
 - fissures of hot, acidic water
 - Something inside the earth
 - Something that flies

 

   Something that cracks rocks       