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Transcript 
TEACHING TRANSPARENCY
The Earth’s Crust, Lithosphere, and Asthenosphere E18
Lithosphere The outermost, rigid layer of the Earth is
the lithosphere. The lithosphere is made of two parts—
the crust and the rigid upper part of the mantle. The
lithosphere is divided into pieces called tectonic plates.
Asthenosphere The asthenosphere is
a plastic layer of the mantle on which
pieces of the lithosphere move. The
asthenosphere is made of solid rock that
flows very slowly.
Crust
Lithosphere
Mantle
Asthenosphere
Mesosphere
Copyright © by Holt, Rinehart and Winston. All rights reserved.
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