Dew is formed when water vapor condenses over night, and condensation is water vapor changing to liquid water. Given these facts, how is dew formed among the following options:
- When a liquid disappears
 - Vapor turning into a liquid
 - photosyntehsis
 - Something made from fermented ricce
 - a hemisphere is tilted away from the sun
 - Liquid turning into vapor
 - At the peak of a mountain
 - When water evaporates


 

  Vapor turning into a liquid       