Volcanoes Answers

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21
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Heat from magma deep beneath the Earth's surface warms underground water, which then rises due to temperature differences. This heated water emerges naturally, creating geothermal features.

A
dike
B
hot spring
C
lava plateau
D
mud pot
22
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Which event causes a volcanic eruption?

A
magma turning into lava
B
water being heated by magma
C
explosions occurring in magma chambers
D
magma cutting through older rocks
23

Earth’s surface is constantly changed by erosion and deposition. Erosion breaks down Earth’s surface by carrying materials away from an area. Deposition builds up Earth’s surface when these materials are deposited in an area over time.

A
volcanic soil
B
cinder cone
C
caldera
D
lava plateau

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