You are presented with the question "Precipitation occurs when what are formed?" and the following answer choices: 
- Sediment
 - erosion
 - clouds
 - soils
 - seeds
 - stones
 - rain
 - fossils

Now knowing that clouds are formed by water vapor rising into colder regions of the atmosphere and condensing and water vapor will condense to form clouds and precipitation will occur, choose the best answer.


 

   clouds      