Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Connect with Universities & Study Abroad Experts Instantly Connect Now


Who described the three layers of the earth as ‘top-layer’, ‘middle-layer’ and ‘lower-layer’ ?

A Jeffrey
B Holmes
C Moho
D Dally
Answer & Explanation
Option: [A]

Your Valuable Comments Please...

Important EBooks for Competitive Exams