Lines on a map that run parallel to the equator are known as a. cartography. b. lines of latitude. c. lines of longitude. d. the prime meridian.

B. lines of latitude.

Lines of latitude are lines that run east and west parallel to the equator. They are also called parallels because they are always the same distance from each other. Lines of Latitude are measured in degrees north and south of the equator. The Equator is a line of latitude and is labeled "0` " (0 degrees) latitude.

just took the test the answer is b.