Question 1666Navigation General

The correct answer is A) Meridian. A plane perpendicular to the polar axis will never form a meridian on the Earth's surface. Meridians are lines of longitude that run from the North Pole to the South Pole, intersecting the equator at right angles. Since a plane perpendicular to the polar axis would be parallel to the equator, it cannot intersect the Earth's surface to form a meridian. The other options are incorrect because: B) Equator is a line of latitude, not formed by a plane perpendicular to the polar axis; C) Small circles are formed by planes that do not pass through the Earth's center; and D) Great circles are formed by planes that do pass through the Earth's center, which a plane perpendicular to the polar axis does not.