Question

On the world map above, the orange line that travels from north to south is called the

Answer 1

meridian / Prime Meridian / longitude

Step-by-step explanation:

Without seeing the map, I can't tell exactly what line you're talking about. However, in general, the lines circling the globe in a north/south direction are called lines of longitude (or meridians). The Prime Meridian is the line of logitude that runs through Earth's 0° longitude. (It passes through Greenwich, England.)