Fact 1: When the season changes , the amount of daylight will change.

Fact 2: Changing weather effects and daylight times.

Given the two facts above, answer the question "What is changed along with seasons changing?" with the following options: 
- swamp vegetation
 - population movement
 - solar flares
 - weather effects
 - temperature
 - food and shelter
 - cloud cover
 - animal nature


 

    weather effects     