Question #08f8e

1 Answer
Apr 16, 2017


  • In general, core means ' inner '.


  • It means that core forms innermost part or layer of earth.
  • Its outer core is about 2300 km thick . Its inner core is about 1200 km thick.
  • The outer core contains iron and nickel in molten state.Some sulphur is also present.
  • The inner core is a solid ball almost entirely made up of iron .