[Solved] The core of the Earth is made up of: [IAS 2003]

Q.	The core of the Earth is made up of: [IAS 2003]
A.	mainly of iron in the liquid form
B.	mainly of nickel in the liquid form
C.	both iron and silica in the liquid form
D.	both iron and magnesium in the plastic state
Answer» D. both iron and magnesium in the plastic state

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