The longitudes are used to determine the local time with reference to the time at ____________.

____________ is an imaginary straight line joining the two poles on which the earth rotates.

The uniform based on a central meridian is known as the _________.

___________ is the largest circle.

___________ zone,the heat is concentrated over smaller area.

Longitudes and latitudes are measured in ____________.

The equator divides the earth into ___________ equal  halves.

__________ helps in sheduling the timing of the buses,trains,flights,television programmes etc.

The distance between two latitude is approximately ____________.

The Prime Meridian divides earth into ____________ equal halves.