Question

which meridian makes a complete circle​

Answer 1

Answer:

All the meridians on Earth are great circles. Meridians, including the prime meridian, are the north-south lines we use to help describe exactly where we are on the Earth. All these lines of longitude meet at the poles, cutting the Earth neatly in half. The Equator is another of the Earth's great circles.

Answer 2

Answer:

all the meridian on Earth or growth of great circle