What does the profile of a glacial valley look like?
A) V-shaped
B) U-shaped
C) irregularly eroded
D) broad bottomed with overhangs
Question 2
The U-shape of a glacial valley is explained by
A) variation in glacier velocity.
B) the weight of overlying snow.
C) the action of meltwater.
D) the action of transported pebbles and boulders.