Prime Meridians.
The prime meridian is a line at 0 degrees longitude.
prime meridien at 0 meridian line or (or line of longitude)
the direction that longitude run is 0 the 180 degrees and also east and west
0 degrees longitude.
The Prime Meridian is found at 0 degrees longitude. Additionally, this is the longitude line that goes through Greenwich, England which marks the base time zone GMT or UTC that other time zones are relative to.
The Prime Meridian is ONE line of longitude that runs from 0 degrees north to 0 degrees south. While a meridian can be any line of longitude.
Prime meridian
its the equator
Equator
No. 90 degrees longitude is not a major line of longitude. Only 0 and 180 degrees longitude, which are the Greenwich Meridian and the International Date Line respectively, are major lines of longitude.
The Prime Meridian is a line of longitude, and it sits at 0 degrees longitude.
The prime meridian is a line at 0 degrees longitude.