Which of the following is not a benefit of using biofuels instead of fossil fuels?A.Biofuels are more sustainable than fossil fuels.B.Fossil fuels may be used in the production of biofuels.C.Biofuels are renewable.D.Biofuels produce less carbon dioxide when combusted.

Which of the following is not a concern regarding the use of corn as a biofuel?A.Corn might be less available in the grocery store.B.Corn tortillas could become too expensive to buy.C.The color of corn is different than the color of gasoline or coal.D.Corn takes energy to farm, and that energy may be supplied by fossil fuels.SUBMITarrow_backPREVIOUS

Which is an environmental consequence of using biomass as a source of energy? A. There are no environmental consequences for using biomass as a source of energy. B. Biomass creates harmful emission of carbon and sulfur, and causes massive cutting of trees. C. Biomass has a great impact on the temperature of fresh water and the amount of dissolved oxygen.

What is the advantage of using renewable forms of electrical energy sources?Question 20AnswerA.They are more in demand in the whole world.B.They are less expensive than electricity.C.They do not cause disastrous fires in communities.D.They do not require the burning of fossil fuels.

What makes biodiesel more sustainable than ethanol?A.Corn and soybeans are valuable cash crops.B.No one in Russia grows soybeans.C.Soybeans are better for the soil than corn.D.Corn is better for the soil than soybeans.

Which of these is true about nuclear power?A.Nuclear fuel has a lower energy density than fossil fuels.B.The neutrons released from the reactions are used to do work.C.Nuclear power is location specific.D.Extracting energy from nuclear fuels is more expensive than extracting energy from fossil fuels.