Question

The upper part of mantle is a​

Answer 1

Explanation:

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

Answer 2

$\huge\underbrace\mathfrak\color{pink}Crust$

In geology, the crust is the outermost solid shell of a rocky planet, dwarf planet, or natural satellite. It is usually distinguished from the underlying mantle by its chemical makeup; however, in the case of icy satellites, it may be distinguished based on its phase.

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