Question: what are the four layers of the earth apes?
Answer: Core. earth's center that consists of mostly iron.
Inner Core. made of solid iron.
Outer Core. made of molten iron.
Mantle. surrounds the core; thick layer of less dense, elastic rock.
Asthenosphere. upper mantle; contains soft rocks which are melted in some parts.
Lithosphere. ... 
Crust.