The ________ forms the relatively cool,brittle tectonic plates.
A)asthenosphere
B)lithosphere
C)astrosphere
D)eosphere

Name: The ________ forms the relatively cool,brittle tectonic plates. A)asthenosphere B)lithosphere C)astrosphere D)eosphere
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Question

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The lithosphere is the cool, rigid outer layer of Earth that includes the crust and the uppermost part of the mantle. This layer is broken up into tectonic plates that move around on the asthenosphere.

The ________ Forms the Relatively Cool,brittle Tectonic Plates