Question

what is mean by gree which meridian???..​

Answer 1

Answer:

the prime meridian, which passes through the Royal Observatory at Greenwich in London. It was adopted internationally as the zero of longitude in 1884.

Answer 2

Answer:

Prime Meridian Line

Greenwich meridian, imaginary line used to indicate 0 ° longitude that passes through Greenwich, a borough of London, and terminates at the North and South ..

Explanation:

The prime meridian is a geographical reference line that passes through the Royal Observatory, Greenwich, in London, England. It was first established by Sir George Airy in 1851, and by 1884, over two-thirds of all ships and tonnage used it as the reference meridian on their charts and maps.

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