Earth's Internal Structure

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Questions and Answers

Which layer of the Earth's internal structure generates the Earth's magnetic field?

  • Liquid outer core (correct)
  • Outer silicate solid crust
  • Solid inner core
  • Highly viscous asthenosphere

What is the scientific understanding of the internal structure of Earth based on?

  • Observations of topography and bathymetry
  • Observations of rock in outcrop
  • Samples brought to the surface by volcanoes
  • All of the above (correct)

How can Earth's mass be calculated?

  • By measuring the force exerted by Earth's gravity
  • By observing the motion of orbiting satellites
  • Both A and B (correct)
  • None of the above

What is the average density of Earth?

<p>Not mentioned in the text (B)</p> Signup and view all the answers

What are some methods used to study Earth's internal structure?

<p>All of the above (D)</p> Signup and view all the answers

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