When the seasons change from the summer to the fall , the amount of daylight will decrease, and daylight is shorter, and the light from the Sun is cooler. Given these facts, when the seasons change from the summer to the fall, what decreases among the following options:
- sunlight
 - rainfall
 - salinity
 - Sun light
 - rain
 - energy usage
 - ice
 - distance


 

    Sun light     