What is the Earth's inner and outer core made primarily out of?

Asked by Dr. John Carmen 12 years ago 12/13/2012 8:23 AM

Last updated by anonymous 12 years ago 12/14/2012 6:59 PM

Answered by Dr. John Carmen 12 years ago 12/14/2012 6:59 PM

Earth's inner core is solid and made of iron, while the outer core is molten.