You are presented with the question "chemical weathering causes what to change to limonite" and the following answer choices: 
- pyrite
 - growth
 - Collagen
 - fibrous
 - cellulose
 - soil
 - cracks
 - calcite

Now knowing that chemical weathering causes iron in rock to oxidize and also pyrite within the altered wall rock is oxidized to limonite, geothite and hematite, choose the best answer.


 

 pyrite        