Hemisphere is the right answer
The Prime Meridian?
The Equator is the imaginary line that runs east and west and divides the world into northern and southern hemispheres. It is situated at 0 degrees latitude and is the halfway point between the North Pole and the South Pole.
a line of latitude or a line of longitude, the equator, the tropic of cancer, the tropic of capricorn, the arctic circle, the antarctic circle
An imaginary line around the world is called the equator. This line divides the Earth into the Northern Hemisphere and the Southern Hemisphere.
The Equator is the imaginary line that splits the world into the northern hemisphere and the southern hemisphere. It is located at 0 degrees latitude and divides the Earth into two equal halves.
The Equator (latitude) and the Prime Meridian (longitude).
The meridians of 0° and 180° longitude separate the eastern and western hemispheres.
It is called a great circle. The equator is an example.
The virtual line that divides the world into the northern and southern hemispheres is called the Equator. It is an imaginary line located at 0 degrees latitude, halfway between the North Pole and the South Pole.
The Equator, the imaginary line like a belt round the Earth, divides the world into two hemispheres. the Northern Hemisphere and the Southern Hemisphere
The Equator divides the world into the northern and southern hemispheres. The Prime Meridian divides the world into the eastern and western hemispheres. The Arctic Circle and the Antarctic Circle divide the Earth into temperate zones.
Midpoint- a point that divides a line segment into two equal parts