Multiple choice

Which of the following is the only latitude that forms a great circle?

  1. The Equator

  2. The Arctic circle

  3. The Antarctic circle

  4. The Tropic of Cancer
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A Correct answer
Explanation

A great circle is the largest possible circle that can be drawn on a sphere, whose plane passes through the center of the sphere. The Equator is the only line of latitude that forms a great circle because it lies in Earth's equatorial plane. All other latitudes are smaller circles.

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