You are presented with the question "Energy-saving is important when electrical energy is used to produce what" and the following answer choices: 
- sound
 - a stove
 - crops
 - light
 - oil
 - motion
 - Heat
 - waves

Now knowing that alight bulb requires electrical energy to produce light and energy-saving light bulbs are essentially fluorescent light bulbs, choose the best answer.


 

    light     