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

Fact 2: Weather changes from season to season.

Given the two facts above, answer the question "Which natural occurrence comes from Earth being tilted on a rotating axis?" with the following options: 
- Changing weather
 - graptolites
 - permineralization
 - Movement
 - subtropical
 - dry and hot
 - swamp vegetation
 - global warming


 

 Changing weather        