Which line is used as a starting point to measure longitude?
-
the Tropic of Cancer
-
the Prime Meridian
-
Equator
-
the Tropic of Capricorn
B
Correct answer
Explanation
The Prime Meridian is the starting point for measuring longitude and is designated as 0 degrees longitude. It passes through Greenwich, England, and divides the Earth into the Eastern and Western Hemispheres. The Equator is the starting point for latitude, not longitude.