Question

What is Prime Meridian?

• A. A meridian in a geographical coordinate system at which longitude is defined to be 0.
• B. A meridian in a geographical coordinate system at which longitude is defined to be 180
• C. A meridian in a geographical coordinate system at which longitude is defined to be 90
• D. A meridian in a geographical coordinate system at which longitude is defined to be 360

Answer 1

The correct option is A A meridian in a geographical coordinate system at which longitude is defined to be 0.

Prime meridian is a geographical coordinate system at which longitude is defined to be 0. The prime meridian divides the earth into eastern and western hemisphere. It is also referred to as the Greenwich Meridian.