You are presented with the question "Burning garbage can be used  to produce what?" and the following answer choices: 
- warmth
 - heat energy
 - a slowing of global warming
 - gold
 - electricity
 - adding heat
 - mutant protection
 - carbon dioxide

Now knowing that biofuel is used to produce electricity by burning and among the energy sources referred to as biofuels is garbage, choose the best answer.


 

     electricity    