Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 9, Problem 14Q
To determine
The reason behind the presence of inner core as solid and outer core as liquid despite having a higher temperature at inner core than the outer core of Earth.
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Students have asked these similar questions
If the earth did not have an atmosphere, would its average surface temperature be higher or lower than what it is now?
How is the heat in the earth’s centre able to melt the outer core but not the inner core?
The inner core of the Earth is solid. The liquid outer core is at a cooler temperature and yet is is a liquid. This is because
A the increased pressure in the inner core has raised the melting point
B it is composed of iron and nickel
C the outer core acts as an insulating layer aound the inner core
Chapter 9 Solutions
Universe
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