Fact 1: Condensation is when change from a gas into a liquid by reducing heat energy.

Fact 2: Condensation is water from the air.

Given the two facts above, answer the question "Water from the air occurs when it changes from gas into a liquid by reducing what?" with the following options: 
- direct energy
 - Energy.
 - Time and energy
 - kinetic energy
 - heat energy
 - energy
 - warmth
 - Temperature


 

     heat energy    