What could cause a canyon to be deeper upstream than downstream?
A) the area upstream could be uplifted more than areas downstream
B) the area upstream is higher above base level and so results in deep erosion
C) a steeper gradient allows more erosion upstream
D) all of these

Question

What could cause a canyon to be deeper upstream than downstream? 
A) the area upstream could be uplifted more than areas downstream 
B) the area upstream is higher above base level and so results in deep erosion 
C) a steeper gradient allows more erosion upstream 
D) all of these

Quizplus · Accepted Answer

The Answer of What could cause a canyon to be deeper upstream than downstream? 
A) the area upstream could be uplifted more than areas downstream 
B) the area upstream is higher above base level and so results in deep erosion 
C) a steeper gradient allows more erosion upstream 
D) all of these

What Could Cause a Canyon to Be Deeper Upstream Than