Question

the crust the mental the core definition

Answer 1

The interior structure of the Earth is layered in spherical shells. These layers can be defined by their chemical and their rheologicalproperties. Earth has an outer silicate solid crust, a highly viscous mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core

Answer 2

CRUST:- In geology, the crust is the outermost solid shell of a rocky planet or natural satellite, which is chemically distinct from the underlying mantle. 

MANTLE:- The mantle is a layer between the crust and the outer core.  The mantle is the mostly-solid bulk of Earth's interior. The mantle lies between Earth's dense, super-heated core and its thin outer layer, the crust. 

CORE:- . In geology, the central region of the Earth; it extends fourteen hundred to eighteen hundred miles from the Earth's center.

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