Which line of latitude divides the earth into two equal halves?

Answer 1

Technically, and there isn't an upper and lower half of the world, although maps seem to suggest that. However, there is a northern half and a southern half. These are separated by an imaginary line called the Equator.

Answer 2

The Prime Meridian (zero longitude) stretches from pole to pole, passing through the Greenwich Observatory, London, England. It is the Prime Meridian that divides the globe into East and West hemispheres.

Answer 3

Equator. If you look on a globe you will see a red line going through the middle diving the globe in half making the northern and southern hemispheres.

Answer 4

the answer is the equator