Which layer lies beneath Earth's crust?

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Multiple Choice

Which layer lies beneath Earth's crust?

Explanation:
The layer beneath Earth's crust is the mantle. This vast region sits directly below the crust and extends down to the outer core, making up most of Earth's volume. The upper part includes the asthenosphere, which is partly molten and allows tectonic plates to move, while the lower mantle is more rigid and stretches down to about 2,900 kilometers (roughly 1,800 miles) beneath the surface. The atmosphere is the gaseous layer that surrounds Earth and lies above the crust, and the outer core lies far deeper, beneath the mantle.

The layer beneath Earth's crust is the mantle. This vast region sits directly below the crust and extends down to the outer core, making up most of Earth's volume. The upper part includes the asthenosphere, which is partly molten and allows tectonic plates to move, while the lower mantle is more rigid and stretches down to about 2,900 kilometers (roughly 1,800 miles) beneath the surface. The atmosphere is the gaseous layer that surrounds Earth and lies above the crust, and the outer core lies far deeper, beneath the mantle.

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