How do the layers of the earth work?
Crust:- composed of a great variety of rocks which are igneous, sedimentary and metamorphic. It is the thinnest layer of the earth which contains life and on which we all live.
Mantle:-The earth's mantle contains minerals such as olivine, peridotite, and pyroxene
Outer core:- generates magnetic fields.
Inner core:- hottest layer of the earth composed of the rocky materials.