MY question is . . . . . .
What does the prefix bio in the word biofuels MOST refer to?
this is a mutliple choice answer
A.the use of fuels from dead organisms and decomposed organic materials
B.the use of agricultural products, animal waste, and/or forest materials
C.their low impact on people, wildlife, and the environment
D.their dependence on enzymes or bacteria for anaerobic “digestion”