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2015-01-25T12:28:33+05:30
The core of the Earth is made of metal i.e 80% iron and 20% nickel and the core of earth is divided into inner solid sphere and outer liquid sphere
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2015-01-25T17:05:12+05:30
Core was divided into two:1)outer liquid core 
                                     2)inner solid core,it is made up of nickel(Ni)&ferrus(Fe).
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