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

Fact 2: Condensing is a gas turning into a liquid.

Given the two facts above, answer the question "What is formed when water vapor turns from a gas to a liquid?" with the following options: 
- Snow
 - rain
 - Dew
 - Ice
 - smog
 - heat
 - Hydrogen
 - H2O


 

   Dew      