According to the theory of plate tectonics,plates are
A) pieces of lithosphere that move over the surface of the Earth with respect to one another.
B) layers of lithosphere that are stacked one atop the other from the surface to the outer core.
C) pieces of continental rocks that move through the weaker oceanic rocks.
D) very thick (approximately one-quarter of the Earth's radius).

Question

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According to the theory of plate tectonics, plates are pieces of lithosphere (the rigid outer layer of the Earth) that move over the surface of the Earth with respect to one another.

According to the Theory of Plate Tectonics,plates Are