The earth is made up of three different layers: the crust, the mantle and the core. This is the outside layer of the earth and is made of solid rock, mostly basalt and granite.
Explanation:the Earth has four layers: the solid crust on the outside, the mantle and the core -- split between the outer core and the inner core. Broadly speaking, the Earth has four layers: the solid crust on the outside, the mantle and the core — split between the outer core and the inner core.
