The outer core A) has a plastic-like flow. B) flows fast ...

[sdfghj]

The outer core
 
  A) has a plastic-like flow.
  B) flows fast enough to power Earth's magnetic field.
  C) is solid as a rock.
  D) transmits S-waves.

Question 2

The thickness of Earth's crust
 
  A) varies from 10 km under the continents to 60 km under the oceans.
  B) on average is about 10 km.
  C) on average is about 60 km.
  D) varies from 10 km under the oceans to 60 km under the continents.

[cclemon1]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: D

[sdfghj]

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[cclemon1]

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