Question

what is meant by great circles in geography subject​

Answer 1

Answer:

A great circle is defined as any circle drawn on a globe (or another sphere) with a center that includes the center of the globe. Thus, a great circle divides the globe into two equal halves. ... In addition, great circles represent the shortest distance between two points anywhere on the Earth's surface.

Explanation:

Answer 2

Answer:

Great circle is circle which drawn on the surface of  sphere which has a radius which is equal to the radius of the sphere and whose centre is also the centre of the sphere.