Question

It has been deduced the mantle is composed of ________ concentric layers of various composition and density.

1) 9
2) 51
3) 3
4) 153
5) 27

Answer 1

The mantle is composed of multiple concentric layers of various composition and density.

Step-by-step explanation:

The mantle is composed of multiple concentric layers of various composition and density. It is the second layer of the Earth, located below the crust and above the core. The mantle is approximately 2,900 km thick and is the largest layer of the Earth's three chemical layers.