Aug 04, 2000 » Planning Question
Question
Which of the following defines "Arctic"? (Choose the best answer.)
The correct answer is d) "All of the above."
Treeline and the July 10°C isotherm delimit a very similar area. The Arctic Circle at about 66°N is also useful as it marks the southern limit of 24-hour sunlight at the summer solstice and 24-hour darkness at the winter solstice.
To learn more, see lesson on Arctic Geography.
To learn more, see lesson on Arctic Geography.