You are presented with the question "What do incandescent bulbs produce as they create electricity?" and the following answer choices: 
- energy
 - heat
 - fuel
 - smoke
 - gas
 - fields
 - copper
 - waves

Now knowing that an incandescent light bulb converts electricity into light by sending electricity through a filament and incandescent bulbs produce more heat than light, choose the best answer.


 

  heat       