Which Greek philosopher coined the term "Geography" in the 3rd century B.C.E.?

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

Which of the statements given below is correct?

Which one of the following is found in the innermost part of the Earth?

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?