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Questions and Answers
What is the composition of the middle mantle or Asthenosphere?
What is the composition of the middle mantle or Asthenosphere?
Fluid, with the lithosphere floating on it
What are the two main components of the core of the Earth?
What are the two main components of the core of the Earth?
External core (probably liquid) and internal solid core
What is the main material that the core of the Earth is rich in?
What is the main material that the core of the Earth is rich in?
Nickel and Iron
What is the range of density for the core of the Earth?
What is the range of density for the core of the Earth?
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How does the temperature change as you move towards the center of the Earth?
How does the temperature change as you move towards the center of the Earth?
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What are the three sources that contribute to changes in temperature inside the Earth?
What are the three sources that contribute to changes in temperature inside the Earth?
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What is the geothermal gradient for the Earth?
What is the geothermal gradient for the Earth?
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In which regions does the geothermal gradient reach 100m for a 1°C rise in temperature?
In which regions does the geothermal gradient reach 100m for a 1°C rise in temperature?
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What is the probable state of the external core of the Earth?
What is the probable state of the external core of the Earth?
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What causes the Earth's magnetic field?
What causes the Earth's magnetic field?
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