The U-shaped valleys in the Rocky Mountain region are the result of?
A - erosion and deposition by rivers.
B - erosion by glaciers
C - uplift
D - freeze and thaw weathering .
1 answer
B - erosion by glaciers
A - erosion and deposition by rivers.
B - erosion by glaciers
C - uplift
D - freeze and thaw weathering .
1 answer