Fact 1: The Earth being tilted on its rotating axis causes seasons.

Fact 2: Spring, summer, autumn, and winter are the seasons of the year.

Given the two facts above, answer the question "What being tilted on its rotating axis causes spring, summer, autumn, and winter." with the following options: 
- the Sun
 - Earth
 - climate
 - wind
 - mild
 - the Moon
 - orbital plane
 - growth


 

  Earth       