Question

fill in the blanks:- 1) the inner core is........................ km thick. The inner core is a solid ball of mostly............................. and................................. .

Answer 1

The inner core is about 2200 km thick. The iron core is a solid ball of mosty iron and nickel.

Answer 2

the inner core is 2200 km thick. The inner core is a solid ball Mosty iron and neakle