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

Fact 2: Lake levels can change seasonally and annually.

Given the two facts above, answer the question "What does the Earth being tilted on its rotating axis cause?" with the following options: 
- Lake level changes.
 - degrees celcius
 - degrees Celsius
 - a lot of human deaths
 - dry conditions
 - exposure to cold
 - global warming
 - heat is produced


 

 Lake level changes.        