Above which parallel is no daylight received when the nearest pole is pointed at its greatest angle away from the sun? a. 66½° b. 23½° c. 0° d. 43½°

The correct answer is A. After both parallels 66 1/2º South and North there is no daylight received when the nearest pole is pointed at its greatest angle away from the sun. Both parallels mark the starting points of the Polar Circles.

Explanation:

The polar circle around the north pole is called the Arctic circle, while the circle around the south pole is called the Antarctic circle. The portions of the spherical surface enclosed by the polar circles are called polar regions or frigid areas, and have their respective geographic pole at their center.

The latitude of both polar circles is 66° 33′ 39″. A salient feature of the area between the pole and the polar circle is the fact that, at least once a year, the Sun does not rise and does not set for 24 continuous hours, creating respectively the phenomena of the polar night and the polar day, or midnight sun.

In summer the sun lowers on the horizon, never setting. At midnight it touches the lowest point, which is higher in the sky the higher the latitude, and then starts to rise again. In winter, however, it never rises above the horizon, reaching the maximum to lighten the sky with evening light in the central hours of the day.

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