The equator divides the Earth into two equal halves known as the northern and southern hemispheres. It is located at 0 degrees latitude, which makes it the largest latitude line. The prime meridian, which passes through the Royal Observatory in Greenwich, England, also divides the Earth into two halves by separating the eastern and western hemispheres.

2. .

7.  THE EQUATOR IS THE MOST
SIGNIFICANT LINE. IT DIVIDES THE
EARTH INTO TWO EQUAL HALVES.
 THE NORTHERN HALF OF THE EARTH IS
KNOW AS NORTHERN HEMISPHERE AND
THE SOUTHERN HALF OF THE EARTH IS
KNOW AS SOUTHERN HEMISPHERE.
 IT IS 0 DEGREE LATITUDE.IT IS THE
LARGEST LATITUDE.

8.  A prime meridian, based at the Royal
Observatory, Greenwich, in London, was
established by Sir George Airy in 1851.
 IT DIVIDES THE EARTH INTO TWO
EQUAL HALVES- EASTERN HEMISPHERE
AND WESTERN HEMISPHERE.