Ch. 5 Geology
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Distinguish among a conduit, a vent, and a crater.
A conduit is the circular path through which magma ascends to the vent, which is the surface opening of the conduit. A crater is a funnel-shaped depression around the vent.
Which of the following would decrease the viscosity of magma?
an increase in temperature
What kind(s) of lava generate a cinder cone?
basalt
