Which kind of eruptive activity is most likely to be highly explosive?
A) lava flows from a large cinder cone complex
B) eruptions of big, continental margin, composite cones
C) lava flows from a large shield volcano on an oceanic island
D) fissure eruptions feeding lava to flood basalt accumulations

Question

Quizplus · Accepted Answer

Eruptions of big, continental margin, composite cones (also known as stratovolcanoes) are most likely to be highly explosive due to their high silica content magma, which is more viscous and traps gases, leading to explosive eruptions.

Which Kind of Eruptive Activity Is Most Likely to Be