Island arcs and Andean type mountains are both examples of mountains formed by ________.
A)collisional tectonics
B)subduction
C)rifting/oceanic spreading
D)transform faults

Question

Quizplus · Accepted Answer

Both island arcs and Andean type mountains are formed by subduction, where one tectonic plate is forced beneath another plate. In the case of island arcs, the subduction occurs where an oceanic plate is being forced beneath another oceanic plate. Andean type mountains, on the other hand, form where an oceanic plate is being forced beneath a continental plate.

Island Arcs and Andean Type Mountains Are Both Examples of Mountains