Multiple choice

Which line is used as a starting point to measure longitude?

  1. the Tropic of Cancer

  2. the Prime Meridian

  3. Equator

  4. the Tropic of Capricorn

Reveal answer Fill a bubble to check yourself
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.