When comparing the characteristics of common magmas or lavas, ____.
a. rhyolite has the lowest water content
b. andesite has the lowest viscosity
c. basalt has the highest silicate content
d. rhyolite has the highest viscosity
e. basalt has the lowest temperature
Question 2
The volume of magma expelled in an eruption depends on ____ of the magma.
a. the temperature and volatiles but not the viscosity
b. the temperature and viscosity but not the volatiles
c. both the viscosity and volatiles
d. only the volatiles
e. the temperature, viscosity, and volatiles
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