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.

The following statements are given below :1.Biodiesel is Eco-friendly2.Biodiesel is renewable in nature3.Biodiesel increases engine performance4.Biodiesel needs diesel engine modification5. Biodiesel has very low lubricity.Which of the following are true about biodiesel ?*1,2 and 32,3 and 41,3 and 4All of the above

Bioaccumulation is Blank______.Multiple choice question.the rate at which toxic substances degrade when exposed to sun, air, and waterwhen the toxic burden of organisms at a lower trophic level is accumulated and concentrated by a predator in a higher trophic levelthe selective absorption and storage of a great variety of molecules inside cells at levels that are higher than the environmentthe degree of dissolution of a substance in water or oil

Multiple Choice QuestionGermany plans to cut fossil fuel use and carbon emissions by Blank______ percent by 2050.Multiple choice question.805020

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 of the following statements is true?a.Agricultural usages also tend to reduce soil carbonb.Crop rotations and winter cover crops reduce soil carbonc.Proforestation creates new forestsd.Establishing perennial vegetation on steep slopes is beneficial for carbon content