The volcanic landforms at divergent ocean plate boundaries are _________?

a) volcanic island arcs


b) ocean trenches


c) oceanic ridges


d) contintental volcanic arc





AND...





1)Which type of landform develops at plate boundaries where one oceanic plate descendes beneath another?


a) rift valley


b) lava plateau


c) volcanic island arc


d) mountain ranges frmed by batholith











2) Most intraplate volcanic activity occurs where ____.


a) hot mantle plumes rise toward the surface within a plate.


b) oceanic plate diverge


c) hot magma descends into the mantle under a plate


d) oceanic and continental plates converge|||1.c





2.c





3.b