Biofuels ____.
A) are a renewable source of energy
B) do not produce carbon dioxide when burned
C) are made from organic remains of ancient organisms
D) release energy without using oxygen
E) do not damage the environment

Question

Quizplus · Accepted Answer

Biofuels are considered a renewable source of energy because they are made from biomass materials such as plants or animal waste, which can be replenished over a relatively short period of time.