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

Fact 2: Temperature change and ice wedging help to make soil.

Given the two facts above, answer the question "Cycles of freezing and thawing water help to make" with the following options: 
- soil
 - power
 - ice
 - cracks
 - Winter
 - rocks
 - biome
 - warmth


 

 soil        