You are presented with the question "Water from the air occurs when it changes from gas into a liquid by reducing what?" and the following answer choices: 
- direct energy
 - Energy.
 - Time and energy
 - kinetic energy
 - heat energy
 - energy
 - warmth
 - Temperature

Now knowing that condensation is when change from a gas into a liquid by reducing heat energy and condensation is water from the air, choose the best answer.


 

     heat energy    