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

Question

Quizplus · Accepted Answer

The lithosphere is the cool, rigid outer layer of the Earth that forms the plates of plate tectonics. The asthenosphere is a hotter, more plastic layer beneath the lithosphere. The astrosphere and eosphere are not recognized terms in geology.

The ________ Forms the Relatively Cool, Brittle Plates of Plate