You are presented with the question " rivers cut deeper and wider to form what" and the following answer choices: 
- canyons
 - arteries
 - Roads
 - timberlands
 - old growth forests
 - soils
 - Sediment
 - coral reefs

Now knowing that erosion causes a river to become deeper and wider and canyon formed as a consequence of river erosion, choose the best answer.


 

 canyons        