Choices:
[A]. bushes.
[B]. Mars.
[C]. wind.
[D]. Winter.
[E]. corn.
[F]. Sun.
[G]. motors.
[H]. rings.
Given those answer options, answer the question: Fact 1: Aplanet rotating causes cycles of day and night on that planet. Fact 2: Of all the planets, Mars is most like Earth. Given the two facts above, what rotates causing cycles of day and night?
A:
[B].