Question

Which longitude is called the prime meridian?

• A. $0^0$
• B. ${45}^0$
• C. ${90}^0$
• D. ${180}^0$

Answer 1

The correct option is A $0^0$

The prime meridian is the line of $0^{\circ }$ longitude, the starting point for measuring distance both east and west around the Earth. The prime meridian is arbitrary, meaning it could be chosen to be anywhere.

The correct option is A.