Which layer contains the crust and the uppermost part of the mantle?

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Multiple Choice

Which layer contains the crust and the uppermost part of the mantle?

Explanation:
The lithosphere is the outermost rigid shell of the Earth, and it includes both the crust and the uppermost portion of the mantle. This rigid layer forms the tectonic plates that move on the softer, partially molten layer of the mantle beneath—the asthenosphere. The mantle proper lies below the lithosphere, and the core sits much deeper still. So, when a question asks for the layer that contains the crust and the uppermost mantle, you’re describing the lithosphere.

The lithosphere is the outermost rigid shell of the Earth, and it includes both the crust and the uppermost portion of the mantle. This rigid layer forms the tectonic plates that move on the softer, partially molten layer of the mantle beneath—the asthenosphere. The mantle proper lies below the lithosphere, and the core sits much deeper still. So, when a question asks for the layer that contains the crust and the uppermost mantle, you’re describing the lithosphere.

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