Question

Select all of the answers that apply. which of the following cause volcanic eruptions?

a. pressure and heat built up in the magma chamber
b. plate tectonics and subduction
c. ground swelling and foreshocks
d. foreshocks and aftershocks

Answer 1

I think it's A. Pressure and heat built up in the magma chamber.

Answer 2

The answers are A, B, and C.