Discover new information and get your questions answered with IDNLearn.com. Ask your questions and receive detailed and reliable answers from our experienced and knowledgeable community members.
Lithosphere
The lithosphere is the solid, outer part of the Earth, extending to a depth of about 100 kilometers (62 miles). The lithosphere includes both the crust and the brittle upper portion of the mantle. The lithosphere is both the coolest and the most rigid of Earth’s layers.