Fact 1: Clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.

Fact 2: Steam is water vapor produced by evaporation.

Given the two facts above, answer the question "Clouds are formed by what going to colder regions?" with the following options: 
- Movement of an air mass
 - Something that evaporated
 - Something that melted
 - cloudy and rainy weather
 - Something that stayed the same
 - Something that froze
 - precipitation
 - air mass over Earth's surface


 

  Something that evaporated       