Earth's Interior Answers

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Why are the properties of the asthenosphere important? Check all that apply.The asthenosphere keeps Earth’s crust from getting too hot.Earth’s plates float on the denser asthenosphere.The depth of the asthenosphere keeps pressure on Earth’s core.The asthenosphere allows Earth’s crust to move.The asthenosphere creates Earth’s magnetic field.

A
The asthenosphere keeps Earth’s crust from getting too hot.
B
Earth’s plates float on the denser asthenosphere.
C
The depth of the asthenosphere keeps pressure on Earth’s core.
D
The asthenosphere allows Earth’s crust to move.
E
The asthenosphere creates Earth’s magnetic field.
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You have learned that different types of rocks are found in Earth’s layers. Their composition affects their densities.What can you conclude based on the information in the table?

A
The rocks in the crust are the most dense.
B
The rocks in the upper mantle are the most dense.
C
The rocks in the lower mantle are the most dense.
D
The rocks in the core are the most dense.

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