Explanation:
prime meridian-separates the eastern hemisphere from western hemisphere.
latitude-run east and west parallel to the equator. they used to define the north-south position of a location on the planet.
longitude-run north and south. they are used to define the east-west position of a location on the planet.
equator-is an imaginary line around the middle of the earth.it is halfway between the north and south poles, and divides the earth into the northern and southern hemispheres
