Which Greek philosopher coined the term "Geography" in the 31 century B.C.E.?

The planet which is called twin sister of the earth is –

Which of the statements given below is correct?

Consider the following statements : 1. The axis of the earth's magnetic field is inclined at 23 and a half degree to the geographic axis of the earth. 2. The earth's magnetic pole in the northern hem…

Which elements are abundant in the formation of interior layer of the earth?

In the structure of planet Earth, below the mantle, the core is mainly made up of which one of the following?