What are Earth's three layers?

Answer 1

The Earths three layers are : Crust - the first layer of the earth

Mantle - the second layer of the earth which is closest to the core.

Core - the hottest and inner most layer of the earth.

Answer 2

Earth's three layers are the crust, mantle, and core. The crust is the outermost layer and is divided into the continental and oceanic crust. The mantle lies beneath the crust and is made up of hot, flowing rock. The core is the innermost layer and is divided into the liquid outer core and solid inner core, composed mainly of iron and nickel.