You are presented with the question "What is formed when fog condenses over night?" and the following answer choices: 
- snow
 - smog
 - dew
 - gas
 - sleet
 - fireworks
 - rain
 - lake

Now knowing that dew is formed when water vapor condenses over night and fog happens when the water vapor condenses into particles as air temperatures cool, choose the best answer.


 

   dew      