Question

the core of the earth is made up of _and iron​

Answer 1

Answer:

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.

Answer 2

Answer:

The core of the earth is made up of nickel and iron.