Fact 1: Some light bulbs convert electricity into light and heat energy.

Fact 2: Electrical energy is also energy.

Given the two facts above, answer the question "What do some light bulbs convert other energy into?" with the following options: 
- water vapor
 - basic building blocks of life
 - gasoline
 - light and heat energy
 - an electron microscope
 - plasma
 - heat or cold
 - hydrogen and oxygen


 

    light and heat energy     