5. Measure the length of the day on the spring and fall equinoxes for latitudes 0, 15, 30, 45, 60, 75, and 90. With the exception of the North and South poles,
(a) What can you say about the length of day for the fall and spring equinoxes?
(b) What happens above 66½° (the Arctic Circle) on the equinoxes?
(c) Where does the sun rise and set on the equinoxes?
what is the answer to all of them