Answer:
CRUST:
THE THINNEST LAYER OF THE EARTH
BUILT FROM DOCK AND MINERAL SOLIDS
MANTLE:
MADE FROM MOLTEN IRON AND SILICATE ROCKS
IT LIES BETWEEN THE CORE AND THE CRUST
OUTER CORE:
it is the only layer of liquid
composed of iron and nickel
INNER CORE:
SPINS FASTER THAN THE SURFACE OF THE EARTH
TEMPERATURE IS EXTREMELY HOT