Question

What is UPPER MANTLE and LOWER MANTLE?

Answer 1

Answer:

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Explanation:

The outer layer of the earth, where we reside, is called the crust. Below the crust is the upper mantle, with the upper-most portion referred to as the asthenosphere. The upper mantle is liquid rock, and very hot. ... Below the crust is the lower mantle, and below the lower mantle is the core.

Answer 2

Upper mantle:

The upper mantle of the Earth is a very thick layer of rock inside the planet,which begins just beneath the crust and ends at the top of the lower mantle at 670 km.

Lower mantle:

The lower mantle is in between the upper mantle and outer core of the earth.

The lower mantle is the lower liquid portion of the mantle ranging from 400 miles below the surface to about 1,800 miles below the surface.