You are presented with the question "What is produced by alcoholic fermentation of glucose in corn?" and the following answer choices: 
- peachleaf willow
 - A compound that donates proton
 - A cleaning fluid
 - A source of electricity
 - A transportation fuel
 - Organic compounds
 - A yeast
 - Chemical energy

Now knowing that ethanol is produced by alcoholic fermentation of the glucose in corn or other plants and ethanol is another transportation fuel, choose the best answer.


 

     A transportation fuel    