Position of the Moon Tilt of Earth on its axis Temperature of the Sun Distance to Mars
I gave my students this multiple choice question: Which of these is the most responsible for the changes of the seasons on Earth?

Only one answer is correct among these 4 choices:
- Position of the Moon
- Tilt of Earth on its axis
- Temperature of the Sun
- Distance to Mars

Could you tell me which one is correct?

Tilt of Earth on its axis