The CORE of the Interior of the Earth is made up of which of the following elements?
(a) Silica and Aluminium
(b) Silica and Magnesium
(c) Iron and Nickel
(d) Silical and Iron
(a) Silica and Aluminium
(b) Silica and Magnesium
(c) Iron and Nickel
(d) Silical and Iron