Why do composite cone volcanoes have the most violent eruptions?
A. They form calderas.
O
O
B. They feature magma with very high viscosity.
O
C. They feature magma with low silica content.
O
D. They feature magma with low gas content.
The answer Is B. The feature magma with very high viscosity. Composite cone volcanoes have the most violent eruptions because the magma being erupted is very viscous. This means it doesn't flow easily.
