Fact 1: When the seasons change from the summer to the fall , the amount of daylight will decrease.

Fact 2: Daylight, sunlight, is necessary to it.

Given the two facts above, answer the question "When the seasons change from the summer to the fall, the amount of what will decrease?" with the following options: 
- air
 - matter
 - Energy.
 - Solar energy
 - Light
 - sunlight
 - energy
 - planets


 

      sunlight   