Fact 1: Cycles of freezing and thawing water cause ice wedging.

Fact 2: Under the pressure of the innumerable wedges of ice, the rock cracks.

Given the two facts above, answer the question "What is created from cycles of freezing and thawing water?" with the following options: 
- 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      