Which statement about the length of a day is FALSE?
A) At the North Pole, the day lasts six months, then six months of night.
B) At the equator, every day is twelve hours long, then twelve hours of night.
C) For the United States, June 21st will be the longest day.
D) The solar day is four minutes longer than the sidereal one.
E) The sidereal day includes both the Earth's rotation and revolution around the Sun.
