You are presented with the question "What do some light bulbs convert other energy into?" and the following answer choices: 
- water vapor
 - basic building blocks of life
 - gasoline
 - light and heat energy
 - an electron microscope
 - plasma
 - heat or cold
 - hydrogen and oxygen

Now knowing that some light bulbs convert electricity into light and heat energy and electrical energy is also energy, choose the best answer.


 

    light and heat energy     