Universe
Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 9, Problem 28Q
To determine

The reason why the Earth’s magnetic field is considered to be produced in the liquid outer core rather in the mantle.

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How does the behaviour of compasses provide evidence that the core of the Earth is magnetic?
The Lithosphere is made of the two types of crust, denser oceanic crust and thicker conteniental crust, plus the upper rigid part of the mantle. The Lithosphere float on the semi-liquid Asthenosphere. The Asthenosphere moves through a process known as convection. The convection form currents moving hotter less dense mantle toward the surface where it cools becomes denser and sinks. Another name for the asthenosphere is the ?
How is the heat in the earth’s centre able to melt the outer core but not the inner core?
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