Fact 1: Aflashlight requires a source of electricity to produce light.

Fact 2: Lanterns and flashlights are sources of light used for camping.

Given the two facts above, answer the question "What does a lantern use a source of electricity for?" with the following options: 
- heat energy
 - staying warm
 - enclose light
 - produce light
 - absorb heat
 - reflect light
 - to move people
 - protect them


 

    produce light     