If something found in San Francisco is formed by water vapor condensing in the air, then what is formed by water vapor condensing in the air?

Answer choices:
- cloudy and rainy weather
 - peachleaf willow
 - Something found in San Francisco
 - At the peak of a mountain
 - By wind and rain
 - Something made from fermented ricce
 - Something that makes plants green
 - A transportation fuel

 

   Something found in San Francisco       