Fact 1: Aflashlight converts chemical energy into light energy.

Fact 2: Light is electromagnetic energy in the form of waves.

Given the two facts above, answer the question "What emits light waves?" with the following options: 
- an object
 - a radio
 - sensory neurons
 - solid, liquid, gas
 - a chair
 - a flashlight
 - harmful substances
 - a rock


 

      a flashlight   