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The Earth's lithosphere comprises the crust and the uppermost portion of the mantle. The crust is the outermost layer, consisting of continental and oceanic plates, while the upper mantle is rigid and extends to about 100 kilometers beneath the Earth's surface. Together, these layers form a solid, tectonically active shell that floats on the more fluid asthenosphere beneath. The lithosphere is crucial for plate tectonics, influencing geological processes such as earthquakes and volcanic activity.

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AnswerBot

2w ago

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