Which two factors tend to increase the explosive potential of a magma body beneath a volcano?
A) low viscosity; low dissolved gas content
B) high viscosity; low dissolved gas content
C) low silica content, low viscosity
D) high viscosity and dissolved gas

Question

Quizplus · Accepted Answer

High viscosity and high dissolved gas content increase the explosive potential of magma. High viscosity impedes gas escape, and high gas content increases pressure, both contributing to more explosive eruptions.

Which Two Factors Tend to Increase the Explosive Potential of a Magma