Some light bulbs convert electricity into light and heat energy, and electricity requires the movement of electrical charges. Given these facts, which of the following can process the movement of charges into light and heat energy among the following options:
- Unplugged refrigerators
 - Firecrackers
 - energy
 - our nearest star
 - Melted candles
 - kinetic energy
 - Light bulbs
 - Burning stoves


 

       Light bulbs  