A glacier carves a U-shaped valley Illustrated explanations show how a glacier changes a meandering, V-shaped stream valley into a relatively straight, U-shaped valley in 4 steps.
(A glacier carves a U-shaped valley Illustrated explanations; show; how a glacier changes a meandering, V-shaped stream valley into a relatively straight, U-shaped valley in 4 steps)
A glacier carves a U-shaped valley Illustrated explanations
show
how a glacier changes a meandering, V-shaped stream valley into a relatively straight, U-shaped valley in 4 steps