Which of the following factors help determine whether a volcanic eruption will be violent or relatively quiescent?
A)amount of dissolved gas in the magma
B)temperature of the magma
C)composition of the magma
D)all of these

Question

Quizplus · Accepted Answer

The amount of dissolved gas in the magma, temperature of the magma, and composition of the magma all play important roles in determining the explosiveness of a volcanic eruption. If there is a high amount of dissolved gas in the magma, it can quickly expand and lead to a violent eruption. The temperature of the magma can also affect how easily gases can escape and therefore influence the explosiveness of the eruption. Finally, the composition of the magma can determine whether it is more viscous or less viscous, which in turn affects the ease with which gas can escape or accumulate, contributing to the type of eruption that will occur.

Which of the Following Factors Help Determine Whether a Volcanic