Which type of landform develops at plate boundaries where one oceanic plate descends beneath another?
A. rift valley
B. volcanic island arc
C. mountain formed by a batholith
D. lava plateau
The answer is B. volcanic island arc A volcanic arc is usually formed when a chain of Volcanoes are formed above a subducting plate. Offshore volcanoes then form a number islands creating a volcanic island arc. Hope this helps!