Choose the type of mountain formation that is being described: Rocks are stretched and pulled apart, creating a fault which leaves steep, vertical displacements in the Earth's crust of dropped blow and lifted blocks. This mountain has two steep sides with very steep banks on each side, forming pushed-up blocks called horsts and dropped blocks called grabens
A. folded mountain
B. tilted fault-block mountain
C. volcanic mountains
D. ifted fault block mountain