You are presented with the question "Water vapor condensing in clouds usually cause what?" and the following answer choices: 
- Pollution
 - Heat energy
 - kinetic energy
 - harmful substances
 - flash floods
 - Greenhouse gases
 - Evaporation
 - Greenhouse gasses

Now knowing that water vapor condensing in clouds causes rain and heavy rain or thunder storms usually cause flash floods, choose the best answer.


 

     flash floods    