At what degree longitude is Greenwich located?

At what degree longitude is Greenwich located?
A: 90
B: 45
D: None of these

Greenwich England is at 0 degrees longitude known as the Prime Meridian. This question tests knowledge of global geography in Geography exams. It serves as the reference point for Greenwich Mean Time and global navigation. The meridian divides the eastern and western hemispheres shaping timekeeping and cartography worldwide.