The lithosphere, which includes the brittle upper portion of the mantle and the crust, is the Earth's solid outer layer. The lithosphere is the Earth's solid outer layer. The lithosphere consists of the brittle upper section of the mantle and the crust, which are the Earth's outermost layers. The atmosphere above and the asthenosphere (another component of the upper mantle) below it define its boundaries.
The lithosphere's rocks are elastic yet not viscous, despite their elastic nature. The asthenosphere is viscous, and the lithosphere-asthenosphere boundary (LAB) marks the difference in ductility between the two layers of the upper mantle for geologists and rheologists—scientists who study the flow of matter.
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Lithosphere
The lithosphere, which includes the brittle upper portion of the mantle and the crust, is the Earth's solid outer layer. The lithosphere is the Earth's solid outer layer. The lithosphere consists of the brittle upper section of the mantle and the crust, which are the Earth's outermost layers. The atmosphere above and the asthenosphere (another component of the upper mantle) below it define its boundaries.
The lithosphere's rocks are elastic yet not viscous, despite their elastic nature. The asthenosphere is viscous, and the lithosphere-asthenosphere boundary (LAB) marks the difference in ductility between the two layers of the upper mantle for geologists and rheologists—scientists who study the flow of matter.
Which part of the earth is said to be solid?
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