A V-shaped valley is a feature produced by ________
A
Youthful river
B
Mature river
C
Old river
D
All of the above
Correct Answer: Youthful river
A V-shaped valley is a feature produced by youthful river. A V-shaped valley, sometimes called a river valley, is a narrow valley with steeply sloped sides that appear similar to the letter "V" from a cross-section. They are formed by strong streams, which over time have cut down into the rock through a process called downcutting.