The Geysers and Hot Springs of Yellowstone National Park Result

The geysers and hot springs of Yellowstone National Park result from

A) thin continental crust separating and creating a rift valley.
B) plumes of hot mantle rising in a hot spot within a plate.
C) plates that have slipped sideways relative to each other,creating a fault.
D) a plate that has run up against an existing continental plate.
E) a fault.