Question

Prime meridian is used to define the ______ .

Answer 1

Answer:

hy

Explanation:

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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:

Universal time

Explanation:

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