Which of the following is a disadvantage of renewable energy?*1 pointHigh pollutionAvailable only in few placesHigh running costUnreliable supply

A major disadvantage of renewable sources of energy is:ans.None of theseRequires high initial investments for productive useIt is available in plentyIt is non-polluting Previous Marked for Review Next

Which of the following energy resources is renewable?BiomassCoalGasNuclear2Which of the following energy resources is non-renewable?GeothermalNuclearBiomassSolar3Which of the following is NOT a disadvantage of the use of fossil fuels for the generation of electricity?The sulphur dioxide which they produce when burnt can cause acid rain and health problemsThey contribute to global warming when burntThey are non-renewableThey are expensive4Which of the following is NOT a disadvantage of the use of nuclear power for the generation of electricity?The uranium (and plutonium) required is non-renewableThe radioactive waste produced has to be stored carefullyThe generation of electricity by nuclear power contributes to global warmingThere is a risk that nuclear power stations could undergo meltdown (and release radioactive material into the environment)5Biofuels are often described as being ‘carbon neutral’.  What does this mean?Their use helps reduce the amount of carbon dioxide which has been released into the atmosphere by the burning of fossil fuelsThey only release neutral carbon atoms when burnt (and not harmful carbon ions)The carbon dioxide which they release when burnt does not contribute to global warmingThe crops from which biofuels are produced absorb carbon dioxide from the atmosphere while they are growing; biofuels release carbon dioxide when they are burnt6Which of the following energy resources can make use of ‘pumped storage’?HydroelectricWindGeothermalWave

describe different sources of renewable energy. how it is helpful for the environment?

Renewable generation is in the top interest of the country due to? Increase in per capita energy consumption. Deficiency of Fossil fuels. Both None

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.