Earth: An Introduction to Physical Geology (12th Edition)

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: 2

Answer

The lithosphere forms earths strong outer shell while the asthenosphere is a weak zone where some melting occurs. In addition the lithosphere is able to move independently because of the asthenosphere.
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