1.) Fuel cells are based on the tendency of some elements to gain electrons from other elements. 2.) Fuel cell automobiles are powered by water and the only emission is hydrogen3.) Fuel cell automobiles are whisper quiet. 4.) Fuel cell automobiles are environmentally friendly. 5.) all of the above
2 is false because fuel cells use hydrogen and oxygen and emit water and heat, and 1, 3, and 4 are true.
