The cycle of erosion is also known as ________.
A) floodplain theory
B) equilibrium theory
C) isostasy
D) theory of crustal change and slope development
E) the geomorphic cycle
Question 2
A steep walled defile with a V-shaped profile and narrow valley floor would, according to the geomorphic cycle, be in the ________ stage.
A) youthful
B) mature
C) old age
D) peneplain
E) equilibrium
