JAMB - Geography (2015 - No. 22)
lines of longitude can be best be described as
imaginary line on the earth’s surface joining the north and the south pole
the distance of a place east or west of Greenwich meridian
the angular distance of a place north or south of the equator
great circles number from 0 to 90
Spiegazione
A is correct. Because it is an imaginary line on the earth’s surface joining the north and South Pole