Fact 1: Chemical weathering causes iron in rock to oxidize.

Fact 2: Chemical weathering is the chemical disintigration of rocks.

Given the two facts above, answer the question "The chemical disintegration of rocks causes iron in rocks to what?" with the following options: 
- oxidize
 - heat
 - break off
 - Rise
 - Bend
 - size
 - inactive
 - deadly


 

 oxidize        