define core of earth
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inner layer of the earth
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CORE
It is also called centrosphere as it occupies the centre of the earth.
It has a radius of about 3500km.
The density of rocks in this part of the earth is highest.
Major constituents of this layer are the metallic minerals like Nickel(Ni) and Iron (Fe).Hence, the core is also called Nife.
Temperature in the outer core is extremely high and all minerals melt at this high temperature.
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