Crust and the upper mantle

It is the uppermost layer on the Earth on which you and all living things thrive on.

lithosphere The upper layer of Earth, which includes its thin brittle crust and upper mantle.

The asthenosphere is the upper part of Earth's mantle. It is partially molten (plastic rheology) and mechanically detached from the lithosphere, which is mostly the Earth's crust (but also a little bit of upper mantle). The density of the upper mantle is your mom! (yo mamma!)

upper layer is made of mantle of the earth.