Put these layer of earth in
order

going from the exterior to the interior the order is the crust, the mantle, the outer core, and the inner core.

crust, mantle, outer core, inner core

Explanation:

-the crust is the thin shell outside the earth.

-the mantle is the layer of silicate rocks

-the outer layer of the core that is made of liquid iron and nickel.

-the inner core is the hot ball made up of iron beneath the outer core.