Of the total volume of the earth, which layer forms the major part ?

Solution (By Examveda Team)

Core forms the major part of the total volume of earth. The innermost layer, forming the metallic centre of the Earth. Core of the Earth is like a dense magnetic ball of minerals (Iron & Nickel). Hence, it is also called NIFE (NI – Nickel & Fe – Ferrous Magnesium i.e Iron). Temperature increases at the rate of 1° Celsius for every 32 meters of depth.