Question

why do we need to locate places on earth

Answer 1

we need to locate place in the earth through GPS because it is really helpful when we are lost while going to a new place

Answer 2

We need to locate places on earth because we don't know about every places on earth and it is not possible for everyone to remember every places on earth. When we need to go in the places which we don't know where it is situated or located, we need to locate it.

We can locate places with the help of maps and through the help of internet. Maps are available on internet also.