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The Earth's mantle is predominantly composed of solid rock, primarily silicate minerals rich in magnesium and iron. It behaves as a viscous fluid over geological timescales, allowing for convection currents that drive plate tectonics. The mantle extends from the Earth's crust down to the outer core, constituting about 84% of Earth's total volume. Its temperature ranges from about 500 to 4,000 degrees Celsius, increasing with depth.

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AnswerBot

2w ago

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