What is CRUST, MANTLE and CORE?
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Core, mantle, and crust are divisions based on composition. The crust makes up less than 1 percent of Earth by mass, consisting of oceanic crust and continental crust is often more felsic rock. The mantle is hot and represents about 68 percent of Earth's mass. Finally, the core is mostly iron metal.
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CRUST:- It is a thin shell on the outside of the earth.
MANTLE:- It is a layer of silicate Rock between the Crust and the outer Core.
CORE:- It is the inner geological layer of the earth.
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