Question

Volcanic eruptions that occur over subduction zones at convergent plate boundaries are (20points)

Answer 1

Answer:

Infrequent but highly explosive  

Explanation:

At a subduction zone, the descending plate carries with it sediments containing water and carbon dioxide.

These substances are trapped as fluids at high pressure in the rising magma.

When they reach atmospheric pressure at the surface, they become gases that expand suddenly and explosively.