What is on Lines of longitude and lines of latitude?
countries and states and water are on the lines of latitude and longitude.
Longitude lines run north ans south and latitude lines run west to east an easy way to remember is longitude has the word long in it ..so you know the those lines are vertical lines and that the latitude lines are the horizontal lines The Prime Meridian is the line made out of all the points on earth that have zero longitude and every possible latitude.
Lines of Latitude encircle the Earth horizontally, and are parallel to the Equator. Lines of Latitude are intercepted by Lines of Longitude. Lines of Longitude run vertically from the North Pole to the South Pole. The Prime Meridian is zero longitude and passes through the Greenwich Observatory, Greenwich, London, England.