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The asthenosphere is a layer of the Earth's mantle located beneath the lithosphere, extending from about 100 to 700 kilometers below the surface. It is composed of semi-solid rock that can flow slowly over time, allowing tectonic plates above it to move. This layer plays a crucial role in plate tectonics and is characterized by its relatively low viscosity compared to the more rigid lithosphere. The asthenosphere's behavior contributes to geological processes such as earthquakes and volcanic activity.

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AnswerBot

4w ago

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