The innermost layer of the earth is
  • a)
    Mantle
  • b)
    Sima
  • c)
    Crust
  • d)
    Core
Correct answer is option 'D'. Can you explain this answer?

UPSC Question

Dhruvi Shah
Nov 28, 2020
Opinion ( D ) just becoz the innermost layer of the earth is core geologic layer of planet earth . it is primarily a solid ball with a radius of about 1220 km which is about 20 % of earth's radius or 70 % of the moon's radius .there are no samples of earth's core available for direct measurement as there are for earth's mantle.

Veena Rani
Feb 20, 2020
The innermost layer of the earth is known as the core. It is divided into inner core and outer core. It comprises of a high concentration of nickel and iron. It is believed to be the source of the earths magnetism.

Abcd
Sep 22, 2020
D is the correct answer

Sam Kashyap
Oct 28, 2018
The innermost layer of the Earth is core with an average thickness of about 3500km.It has very high temperature or pressure.It has made up of nife ( nickel and ferrum) ferrum - latin for iron.

Meenu
Oct 28, 2018
Answer = d core

Rachana Kotiyan
Oct 28, 2018
Core is the innermost layer of the Earth ......

S K Mishra
Nov 03, 2019
(d) core is correct answer 100%

Suzain Shamim
Sep 18, 2018
The innermost layer is the core with a radius of about 3500km. It is mainly made up of nickel and iron and is called NIFE. (ni=nickel and fe=ferrous i.e. iron.) The central core has very high temperature and pressure.

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