Fact 1: Abattery converts chemical energy into electrical energy.

Fact 2: Electricity is a form of energy and is sometimes called electrical energy.

Given the two facts above, answer the question "How does a battery work?" with the following options: 
- dormant state
 - hydrogen and oxygen
 - Throwing it away
 - Charging it
 - It converts power
 - Plugging it in
 - It remains dormant
 - to move people


 

     It converts power    