Question

which line is known as the prime Meridian ? State
its importance. ​

Answer 1

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A prime meridian is the meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its anti-meridian (the 180th meridian in a 360°-system) form a great circle.

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Answer 2

Answer:

Hey mates ✌️

Explanation:

Greenwich meridian is called as prime meridian or the 0 degree longitude.

As the time is calculated with respect to the meridian.