You are presented with the question "Microbial fuel cells convert chemical energy into " and the following answer choices: 
- kinetic energy
 - Deoxyribonucleicacid
 - rays or beams
 - harmful substances
 - vehicles
 - sunlight
 - deoxyribonucleic acid
 - Greenhouse gases

Now knowing that microbial fuel cells convert chemical energy into electrical energy and electricity is a kinetic energy, choose the best answer.


 

 kinetic energy        