AnswersMO-Earth and Space Science ALab: Relative and Absolute Dating

Earth's Interior Answers

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1
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Which statement describes a characteristic of the asthenosphere?

A
Temperatures are cool.
B
Consistency is solid.
C
Thickness is less than crust.
D
Pressure is higher than crust.
2
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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.
3

Study the image of Earth’s layers.

Question illustration
E
Earth’s mantle is thinner than its oceanic crust.
E
Earth’s outer core is thicker than its mantle.
E
Earth’s continental crust is thicker than its lithosphere.
E
Earth’s lithosphere is thinner than its asthenosphere.
6

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.
7

Study the graph about seismic waves.What does the graph show?

Question illustration
T
The S and P waves travel the same distance through Earth’s crust in the same amount of time.
T
The P wave travels through Earth’s crust more quickly than the S wave travels.
I
It takes the P wave 18 minutes to travel 6,000 km through Earth’s crust.
I
It takes the S wave 11 minutes to travel 8,000 km through Earth’s crust.
8

Study the diagram about the varying pressures of Earth’s Layers.

Question illustration
A
outer core
B
inner core
C
lithosphere
D
oceanic crust

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