The creeks and river cut deep V-shaped valleys, but glaciers scour out wide U-shaped valleys, such as Yosemite Valley.
(The creeks and river; cut; deep V-shaped valleys) (glaciers; scour out; wide U-shaped valleys, such as Yosemite Valley)
The creeks and river glaciers
cut scour out
deep V-shaped valleys
wide U-shaped valleys, such as Yosemite Valley