Question

question 19 of 20 : select the best answer for the question. 19. what phenomenon is responsible for hot spot volcanism? a. mantle plumes b. ridge push c. subduction d. pyroclastic flows mark for review (will be highlighted on the review page) << previous question next question >>

Explanation:

Hot spot volcanism is caused by mantle plumes, which are columns of hot, rising rock from the mantle. Ridge push is related to plate movement at mid - ocean ridges, subduction involves one plate going under another, and pyroclastic flows are a volcanic product, not the cause of hot spot volcanism.

Answer:

A. Mantle plumes