Question

The outer core is made up of(i) Iron(ii) Gold(iii) Hydrogen(iv) Oxygen

Answer 1

hydrogen is the answer

Answer 2

Answer:

(i) Iron.

Explanation:

The outer core of our Earth is nearly of thickness 2400 km or 1400 miles. The outer core consists mainly the alloy which has the highest composition of Iron and Nickel.

However, the other Dense elements such as Gold, Uranium or Platinum are also present in the Earth's outer core layer but only in small amount as compared to Iron and Nickel. The metals such as Iron or Nickel can also be found on the Earth's Surface in free form as well.

This Outer core is also responsible for the Earth's Magnetic Field.

Therefore, the correct option is (i) Iron.