What is the intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and containing the sphere's center of mass called?

What is the longest parallel line called ?

The longitude of a place is measured East or West of the :

What is the network of parallels and meridians on the globe called ?

Which is the part of Earth that lies south of the equator ?

The point at the bottom of the world is called :

The full circles that runs from East to West are called :

Which among the following is located at 0^o latitude ?

Curves of constant latitudes on the Earth are referred to as :

The semi circles that joins the North pole and run from North to South are called :