The Letters A

Multiple Choice

The letters A.M.and P.M.refer to the time at which

A) the Sun's rays first appear above the eastern horizon at dawn.
B) the Sun's rays first disappear below the western horizon at dusk.
C) the Sun is directly overhead at noon.
D) the Sun crosses the equator moving north on the first day of spring.
E) the Sun is at its farthest extent south during winter.