Question

i) why is International Date Line not a straight line? ii) what is a Great Circle?​

Answer 1

Answer:

The dateline runs from the North Pole to the South Pole and marks the divide between the Western and Eastern Hemisphere. It is not straight but zigzags to avoid political and country borders and to not cut some countries in half.

A great circle is the largest possible circle that can be drawn around a sphere. ... The Equator is another of the Earth's great circles. If you were to cut into the Earth right on its Equator, you'd have two equal halves: the Northern and Southern Hemispheres. The Equator is the only east-west line that is a great circle.

Explanation:

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