1 > It locates a place on globe by making grids.
2 > It tells us about the climatic conditions of a place.
3 > It divides the whole earth in small parts.
4 > It is used while setting the time zone of a place
5 > It is used to find the time of any place
6 > It is extremely important for GPS
7 > It provides means for sailors to navigate to new continents
8 > It provides a way for specifying how east/west or north/south an object is.
9 > It used to make out the pressure conditions of any place
10 > It divides the earth into climatic zones which makes it very easy to tell about the weather of any place just by its location.