The answer is B. Uneven rock layer.
Uneven rock layer can directly lead to nonconformity on an exposed rock. Usually the rocks are layered evenly. When the rocks are uneven it will be exposed and show different kind of rocks.
C is the answer c c c c c c c c c c c c c c c c c x c c x x x x x x x x x x x x x d c
First question=true
second=false
third=false
