The Arctic Circle is defined as a line on Earth where the Sun:
A) always shines, winter or summer.
B) can be seen for 24 hours on at least one day of the year.
C) is always 23.5° or more above or below the horizon.
D) never shines at any time of the year.

Question

Quizplus · Accepted Answer

The Arctic Circle is defined as the latitude above which the Sun can be seen for 24 hours on at least one day of the year, usually around the summer solstice (June 21 or 22). This means that for at least one day in summer, the Sun never sets and is visible for a full 24 hours.

The Arctic Circle Is Defined as a Line on Earth