You are presented with the question "Changing water vapor to a liquid is done by doing what to heat energy?" and the following answer choices: 
- evaporation
 - boiling
 - Dehydration
 - kinetic energy
 - reducing it
 - sweating
 - energy
 - Energy.

Now knowing that condensing means changing from a gas into a liquid by reducing heat energy and condensation is the change of water vapor to a liquid, choose the best answer.


 

     reducing it    