Millions of years ago, the Sierra Nevada region began to be uplifted along a crack in Earth's crust. The region on the other side of the crack moved downwards. Which physical feature most likely resulted from such a motion?
A.Fault block mountain with rough edges and steep cliffs
B.Fault block mountain with waves, twists, and turns
C.Fold mountain with rough edges and steep cliffs
D.Fold mountain that appeared wavy