INDIAN GEOGRAPHY

Detailed explanation-1: -Detailed Solution. The correct answer is the Equator. The Equator is a great circle. When a sphere is divided exactly in half through its center, the circumference represents the largest circle that can be drawn on that sphere.

Detailed explanation-2: -(2) Equator is the only Great Circle, which can be drawn on the Earth’s surface.

Detailed explanation-3: -The line drawn midway between the North Pole and the South Pole is called the equator. It is the largest circle and divides the globe into two equal halves. It is also called a great circle.

Detailed explanation-4: -The equator is the only line of latitude which is also a great circle-meaning, one whose plane passes through the center of the globe. The plane of Earth’s equator, when projected outwards to the celestial sphere, defines the celestial equator.