You are presented with the question "What causes spring, summer, autumn, and winter?" and the following answer choices: 
- meteor showers
 - heat production
 - the sun's energy
 - Generating heat
 - Earth tilted on rotating axis
 - Something with a head, thorax, and abdomen
 - Earth vibrating
 - lunar cycle

Now knowing that the Earth being tilted on its rotating axis causes seasons and spring, summer, autumn, and winter are the seasons of the year, choose the best answer.


 

     Earth tilted on rotating axis    