Volcanic activity generally does NOT occur
A)along sea-floor spreading centers.
B)along subduction boundaries.
C)in association with plutons.
D)in association with hot spots over plumes in the mantle.

Question

Quizplus · Accepted Answer

Plutons are underground intrusive rock formations that cool slowly and solidify, resulting in igneous rocks. Volcanic activity occurs on the surface, but plutons are formed deep beneath the surface and do not result in volcanic activity.

Volcanic Activity Generally Does NOT Occur