Volcanoes Answers

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1
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Which statements accurately describe hot spots? Check all that apply.Hot spots can cause volcanoes.Hot spots can cause geothermal activity like geysers and mud pots.The Hawaiian Islands formed over a hot spot.Hot spots occur only at plate boundaries.Yellowstone National Park is a geothermal hot spot.

A
Hot spots can cause volcanoes.
B
Hot spots can cause geothermal activity like geysers and mud pots.
C
The Hawaiian Islands formed over a hot spot.
D
Hot spots occur only at plate boundaries.
E
Yellowstone National Park is a geothermal hot spot.
2
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Use the drop-down menus to complete the paragraph.

Answers:
As magma rises, pressure , causing dissolved gases to expand and form bubbles. The size of the bubbles increases, exerting a lot of force. The force of the expanding gases pushes the magma from the up:decreases
As magma rises, pressure , causing dissolved gases to expand and form bubbles. The size of the bubbles increases, exerting a lot of force. The force of the expanding gases pushes the magma from the up:magma chamber
As magma rises, pressure , causing dissolved gases to expand and form bubbles. The size of the bubbles increases, exerting a lot of force. The force of the expanding gases pushes the magma from the up:pipe
As magma rises, pressure , causing dissolved gases to expand and form bubbles. The size of the bubbles increases, exerting a lot of force. The force of the expanding gases pushes the magma from the up:vent
3

Use what you have learned about the stages and monitoring of volcanic activity to choose the correct answer from the drop-down menus.

Answers:
A volcano that will never erupt again is .:extinct
Mount Aetna on Sicily is a(n) volcano because it produces earthquakes and lava flows.:active
This volcano is , having no activity since its last eruption in 1707.:dormant
4

Which statements accurately describe volcanic landforms? Check all that apply.Batholiths cooled deep inside Earth.Dikes cut across horizontally.A geyser spouts water that is heated deep inside Earth.Dome mountains form from cinder cones.Geysers and hot springs are caused by hydrothermal activity.

A
Batholiths cooled deep inside Earth.
B
Dikes cut across horizontally.
C
A geyser spouts water that is heated deep inside Earth.
D
Dome mountains form from cinder cones.
E
Geysers and hot springs are caused by hydrothermal activity.

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