You are presented with the question "What causes crystal balls to heat?" and the following answer choices: 
- Evaporation
 - increased mass
 - reflecting light
 - heating liquids
 - releasing energy
 - absorbing energy
 - decreased temperature
 - direct energy

Now knowing that absorbing energy causes objects to heat and crystal Balls Crystal balls have special uses as ritual objects, choose the best answer.


 

      absorbing energy   