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Questions and Answers
What is the main method used to understand the internal structure of Earth?
What is the main method used to understand the internal structure of Earth?
- Observations of topography and bathymetry
- Analysis of seismic waves (correct)
- Observations of rock in outcrop
- Samples brought to the surface by volcanoes
Which layer of the Earth's internal structure generates the Earth's magnetic field?
Which layer of the Earth's internal structure generates the Earth's magnetic field?
- Liquid outer core (correct)
- Solid inner core
- Highly viscous asthenosphere
- Outer silicate solid crust
How can Earth's mass be calculated?
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
Which layer of the Earth's internal structure is highly viscous?
Which layer of the Earth's internal structure is highly viscous?
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What contributes to the scientific understanding of the internal structure of Earth?
What contributes to the scientific understanding of the internal structure of Earth?
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