Answer
The three major layers are the crust, which is a thin rocky outer skin, the mantle, a rocky shell which has a depth of 2900 kilometers, and the core, which is built of iron- nickel alloy with extreme pressure.
Work Step by Step
Earth: An Introduction to Physical Geology (12th Edition)
by Tarbuck, Edward J.; Lutgens, Frederick K.; Tasa, Dennis G.
Published by
Pearson
ISBN 10:
0134074254
ISBN 13:
978-0-13407-425-2
Chapter 1 - Section 1.6 - Earth’s Internal Structure - Concept Checks - Page 24: 1
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