Effusive Eruptions Are $\underline {\text { not } }$ Related to Which of the Following?
A) Magma with a to Which

Multiple Choice

Effusive eruptions are $\underline {\text { not } }$ related to which of the following?

A) magma with a 50 percent or lower silica content, rich in iron and magnesium
B) low-viscosity magma
C) magma with a 50-75 percent silica content, high in aluminum
D) the volcanic activity in Hawaii