Answer:
Top: Crust, Between both: Mantle, Middle of earth: Core.
Step-by-step explanation:
I don't know how to describe the layers in terms of composition but i hope my answer helped
core mantle and crust are divisions based on composition of the crust makes up less than 1% of Earth's biomass consistency of oceanic crust and continental crust is often More For Less sick Rock the mantle is hot and represents about 68% of its mass finally the core is mostly iron metal
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