Of the total volume of the earth, which layer forms the major part ?
A. Sial
B. Sima
C. Mantle
D. Core
Answer: Option D
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.Join The Discussion
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WRONG !!!! Earth's mantle is a layer of silicate rock between the crust and the outer core. It has a mass of 4.01 × 1024 kg and thus makes up 67% of the mass of Earth. It has a thickness of 2,900 kilometres (1,800 mi) making up about 84% of Earth's volume.