Hot spots are caused by ____________.
A)friction due to the lithosphere sliding atop the asthenosphere
B)unusually dense concentrations of radioactive isotopes at various points in the crust
C)hot plumes of mantle material that rises up through cooler,denser surrounding rock
D)factors that remain completely unknown at this time

Question

Quizplus · Accepted Answer

Hot spots are caused by hot plumes of mantle material that rise up through cooler, denser surrounding rock. These plumes of hot magma can create volcanic features on the surface such as volcanic islands, volcanic chains and even flood basalts.

Hot Spots Are Caused by ____________