Fact 1: Dew is formed when water vapor condenses over night.

Fact 2: Fog happens when the water vapor condenses into particles as air temperatures cool.

Given the two facts above, answer the question "What is formed when fog condenses over night?" with the following options: 
- snow
 - smog
 - dew
 - gas
 - sleet
 - fireworks
 - rain
 - lake


 

   dew      