Volcanic mountains such as the Andes and the Cascade formed ...

[Wadzanai]

Volcanic mountains such as the Andes and the Cascade formed inland as a result of
 
  A) intense earthquakes in subduction zones.
  B) rising plumes of magma associated with subduction of the Pacific Plate.
  C) upwelling along mid-oceanic ridges.
  D) divergent plate boundaries. along continental edges
  E) transform plate boundaries on the west coasts of North and South American

Question 2

The process whereby one portion of the lithosphere moves beneath another and dives downward into the mantle is called
 
  A) compression.
  B) rifting.
  C) seafloor spreading.
  D) subduction.
  E) isostatic uplift.

[asdfasdf]

Answer to Question 1

B

Answer to Question 2

D