You are presented with the question "What requires electrical energy to produce photons?" and the following answer choices: 
- satellites
 - an electron lens
 - cigarettes
 - an object
 - heterotrophs
 - squids
 - sensory neurons
 - a lightbulb

Now knowing that alight bulb requires electrical energy to produce light and light quanta are called photons, choose the best answer.


 

        a lightbulb 