You are presented with the question "a form of alcohol is used to produce electricity by what?" and the following answer choices: 
- reducing heat
 - burning
 - spreading seeds
 - sharing pressure
 - deadly
 - drinking
 - consumers
 - Decibels

Now knowing that biofuel is used to produce electricity by burning and ethanol, a form of alcohol, is already the most common biofuel, choose the best answer.


 

  burning       