rotation of the moon rotation of the Sun revolution of the sun in the galaxy revolution of the earth about the sun
I gave my students this multiple choice question: What repeating cycle is responsible for the four seasons that occur on Earth?

Only one answer is correct among these 4 choices:
- rotation of the moon
- rotation of the Sun
- revolution of the sun in the galaxy
- revolution of the earth about the sun

Could you tell me which one is correct?

revolution of the earth about the sun