the Sun rotating on its axis Earth rotating on its axis Earth revolving around the Sun the Moon revolving around Earth
I gave my students this multiple choice question: What causes nighttime and daytime on Earth?

Only one answer is correct among these 4 choices:
- the Sun rotating on its axis
- Earth rotating on its axis
- Earth revolving around the Sun
- the Moon revolving around Earth

Could you tell me which one is correct?

Earth rotating on its axis