Question

The material in Earth's inner core is ____________________, while the outer core is ____________________.

Answer 1

The outer core is about 1,400 miles thick, and it's made mostly of a combination (called an alloy) of iron and nickel, along with small amounts of other dense elements like gold, platinum, and uranium. These metals can, of course, be found on the surface of Earth in solid form.

Step-by-step explanation:

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