Question

how is the core of earth's interior made up of?

Answer 1

At the center of the Earth is the core, which has two parts. The solid, inner core of iron has a radius of about 760 miles (about 1,220 km), according to NASA. It is surrounded by a liquid,outer core composed of a nickel-iron alloy. ... This is thought to causeEarth's magnetic field

Answer 2

◆ Earth's core is generally consists of solid rocks materials but most rock materials changes to liquid state due to high temperature and high pressure.
◆ At the inner core's upper part the temperature is about 2700℃ and in the lower part it is 6300℃.

◆Generally its NIFE (nickel and iron)