Question

what is the inner core of the earth composed of?

Answer 1

Innermost  part is primarily a solid ball. It is composed of an iron–nickel alloy and some other elements.

Answer 2

The inner core of the Earth is composed of iron.

• The core lies between the Mantle and around the center of the earth. The core is divided into two parts the inner and outer core.
• The inner core of the earth is 1200km thick. It is hotter than the outer core and remains solid.
• The dominant minerals in the inner core is Nickel and Iron this is the reason it is also called 'nife' ['ni' is nickel and 'Fe' is iron]