Select the correct answer.
An equinox occurs twice throughout the course of a year, when Earth’s axis points neither toward nor away from the Sun. How does an equinox affect the lengths of day and night?

A.
Day and night are equal in length.
B.
Day is longer than night.
C.
Night is longer than day.
D.
The sun will not set, resulting in a 24-hour day.
E.
The sun will not rise, resulting in a 24-hour night.