You are presented with the question "Ethanol is produced by alcoholic fermentation of what?" and the following answer choices: 
- chlorofluorocarbons
 - acetic acid
 - Chemical energy
 - carbon dioxide
 - Organic compounds
 - bioaerosols
 - aqueous solution
 - sugar in corn

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


 

        sugar in corn 