Which are CORRECT about biofuels?I. Creates more carbon emissionsII. Leads to lower fossil fuel importsIII. Helps with protecting our greenhouse gases*1 pointI & IIII & IIII, II, & IIII & IIIWhat has made stem cell research controversial? *1 pointscience should not alter the human genomeembryos are human beingsharvesting adult stem cells is dangerousstem cell research is too expensive for governments to fundWhich cellular structure would be most necessary for muscle cells to carry out their function?*1 pointChloroplastRibosomeMitochondrionVacuole

Which are CORRECT about biofuels?I. Creates more carbon emissionsII. Leads to lower fossil fuel importsIII. Helps with protecting our greenhouse gases*1 pointI & IIII & IIII, II, & IIII & IIIWhat has made stem cell research controversial? *1 pointscience should not alter the human genomeembryos are human beingsharvesting adult stem cells is dangerousstem cell research is too expensive for governments to fundWhich cellular structure would be most necessary for muscle cells to carry out their function?*1 pointChloroplastRibosomeMitochondrionVacuole

Is it TRUE that (1) biofuels are expected make us more reliant on imported petroleum and (2) stimulate regional economies by creating jobs? *1 point2 is trueBoth are true1 is trueNeitherWhich has the greatest potential to solve the problem of over-reliance on fossil fuel than any other biofuel crop?*1 pointAlgaeSwitchgrassCornSunflowerThe term biomass most often refers to _____.*1 pointchemicalsorganic matterammonium compoundsinorganic matterWhich is an example of starch crops biomass feed stocks?*1 pointSugar caneCorn stoverOrchard pruningsWheat strawIs it TRUE that (1)  fossil fuels  undergo fast geological process  while (2) biofuels are readily available for man? *1 point1 is trueBoth are trueNeither2 is trueIs it TRUE that (1) rapeseed is main source of ethanol and that (2) the main drawback of using cottonseed oil as a car fuel is that it solidifies at low temperature? *1 point2 is true1 is trueNeitherBoth are trueBiomass is useful to produce _____.*1 pointfiberstransportation fuelschemicalsbiochemicalsIs it TRUE that (1)  bio-alcohol is created by the bacterial breakdown of starch in plants while (2) biodiesel is derived from the oil already available in such plants. Below are some of the main crops for biofuel production?*1 pointNeitherBoth are true2 is true1 is trueWhat is the common characteristic shared by biodiesel sources?*1 pointVolatilePlant-basedContain fatsCombustibleIs it TRUE that  biofuels (1)  have the potential to meet more than a quarter of world demand for transportation fuels and (2)  can stimulate regional economies by creating jobs?*1 pointNeither2 is true1 is trueBoth are trueBackSubmit

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 does not contribute to elevating Methane levels?a.Raising Cattleb.Creating Landfillsc.Using fertilizersd.Extracting fossil fuelsClear my choice

Which of the following statement is incorrect about bioethanol?a.reduces the fuel economy by 2-3 percent.b.biodegradable and less toxic fuel.c.increases the amount of greenhouse emissions.d.increases the octane number.