Multiple Choice
Which of the following is NOT an advantage of using biofuels as an alternative energy source?
A) Biofuels can be replaced over short time scales.
B) Biofuels enable us to turn waste into energy.
C) Crops for biofuels can be grown on marginal land.
D) Biofuels are versatile; they can be used in a variety of ways.
E) None of these answers-all are advantages.
Correct Answer:

Verified
Correct Answer:
Verified
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