0
Q
magma chamber
A
the body of molten rock that feeds a volcano
1
Q
Volcano
A
a vent or fissure in the Earth’s surface through which magma and gases are expelled
2
Q
vent
A
an opening at the surface of the Earth through which volcanic material passes
3
Q
crater
A
a funnel-shaped pit near the top of the central vent of a volcano
4
Q
caldera
A
a large, semicircle depression that forms when the magma chamber below a volcano partially empties and causes the ground above to sink
5
Q
lava plateau
A
a wide, flat landform that results from repeated nonexplosive eruptions of lava that spread over a large area
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