If some light bulbs process the movement of charges into light and heat energy, then which of the following can process the movement of charges into light and heat energy?

Answer choices:
- Unplugged refrigerators
 - Firecrackers
 - energy
 - our nearest star
 - Melted candles
 - kinetic energy
 - Light bulbs
 - Burning stoves

 

       Light bulbs   