Interior of the Earth

Question

Mention the densities of the earth's core, mantle and crust. 

Answer

The average density of earth as a whole is 5.53. But its upper layer i.e., the crust has a density of 2.75 to 2.90. The middle layer i.e., the mantle has got its density 2.90 to 4.75 and the average density of the central part i.e., the core is 11 to 13.

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