On a map, longitude lines go up and down, AKA vertically. Latitude lines are horizontal lines on a map.
Longitude and latitude - check out Greenwich meantime!
lines of latitude
latitude?
Each 'meridian' is a line of constant longitude.
Latitude.
Every meridian of longitude is perpendicular to every parallel of latitude, and every parallel of latitude is perpendicular to every meridian of longitude.
Latitude and longitude
The lines that intercept latitude lines are lines of longitude.
Lines of Longitude
Longitude lines go vertically and latitude lines go horizontally.
Every parallel of latitude crosses every meridian of longitude.
Lines of latitude and longitude allows any position on the Earth to be plotted.