1What is one major difference between fossil fuels and biofuels?
ABurning fossil fuels releases greenhouse gases; burning biofuels releases no greenhouse gases incorrect answer
B Fossil fuels exist in unlimited supply; our supply of biofuels may run out someday incorrect answer
C Fossil fuels are very expensive to manufacture; biofuels are very inexpensive to manufacture incorrect answer
D You can drive farther on a single tank of fossil fuel than you can on a single tank of biofuel
