Question

The Earth's core is composed predominantly of?

1) iron and nickel
2) carbon and nitrogen
3) oxygen and aluminum
4) silicon and sulfur
5) hydrogen and helium

Answer 1

The Earth's core is predominantly composed of iron and nickel.

Step-by-step explanation:

The Earth's core is predominantly composed of iron and nickel. According to scientific calculations, the core is about 85% iron metal with nickel metal making up much of the remaining 15%. This composition is also seen in metallic meteorites which are thought to represent the core.