Earth's Interior Answers

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1
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Study the diagram showing the range of temperature in the Earth’s layers.

Question illustration
A
The outer core is the hottest region.
B
The mantle is hotter than the outer core.
C
The continental crust is the coolest region.
D
The inner core is cooler than the lithosphere.
2
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Which statement describes how the mantle is similar to Earth’s oceanic crust?

A
It is composed mostly of basalt.
B
It consists primarily of molten rock.
C
It has varying degrees of thickness.
D
It is divided into two layers.
3

Study the images of Earth’s crust and mantle in two different areas.How is Item A different from Item B?

Question illustration
A
The crust under the ocean in Item A is thicker than the crust under the mountain in Item B.
B
The mantle under the ocean in Item A is thinner than the mantle under the mountain in Item B.
C
The crust in Item A is found partially below sea level as compared to the crust in Item B.
D
The mantle in Item A is located far below a mountain as compared to the mantle in Item B.
5

best

H
Hot material near Earth’s surface is more dense and sinks, and when it cools, it becomes less dense and rises.
H
Hot material near the core is more dense and rises, and when it cools, it becomes less dense and sinks.
H
Hot material near Earth’s surface is less dense and sinks, and when it cools, it becomes more dense and rises.
H
Hot material near the core is less dense and rises, and when it cools, it becomes more dense and sinks.

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