Energy Review

Why are renewable energy sources not widely used as a replacement for fossil fuels?

• fossil fuels are more expensive

• renewable energy resources are too unreliable and cannot be used everywhere

• renewable energy resources are too expensive to replace fossil fuels

• fossil fuels produce less pollution

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What are the biggest environmental concerns with fossil fuel acquisition?

• air & water pollution

• reversal of ocean currents

• expansion of animal habitats

• growth in wealth

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Which is the best way to conserve fossil fuels?

• Use the fuels at high rates to burn them more efficiently

• do regular maintenance on the equipment that uses fossil fuels

• use fossil fuels as little as possible

• keep searching for more sources of fossil fuels

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Which is most likely to happen?

• Percentage of energy from coal will continue to grow over the next century

• Percentage of energy from nuclear energy will decrease over the next century

• Percentages of energy from petroleum and natural gas will remain the same over the next century

• Percentages of energy from hydroelectric and other renewable sources will increase over the next century

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Why should humans refine renewable energy technologies?

• fossil fuels are finite and will run out eventually

• renewable energy resources will continue to get more expensive

• nonrenewable energy resources will continue to get cheaper

• fossil fuels will not pollute as much as renewable resources

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Which is the strongest argument against using renewable energy resources?

• renewable energy resources are too expensive

• renewable energy resources cannot be used everywhere like nonrenewable energy resources

• renewable energy resources produce less pollution than nonrenewable energy resources

• renewable energy resources do not produce the amount of energy humans currently need to maintain their lives

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Why are fossil fuels so widely used for energy despite the pollution?

• compared to other fuels, fossil fuels are relatively clean

• compared to other fuels, fossil fuels are relatively cheap & plentiful

• compared to other fuels, fossil fuels release less pollution

• compared to other fuels, fossil fuels are renewable

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What are the largest problems with using wind mills for energy?

• creates a reservoir, blocks sediment drainage, blocks aquatic migrations

• takes up lots of land, are inefficient, harms flying animals, interrupts flying animal migrations

• produces radioactive waste, is nonrenewable

• not as energy rich as fossil fuels, takes agricultural resources that could be used for other purposes

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What are the largest problems with using hydroelectric dams for energy?

• creates a reservoir, blocks sediment drainage, blocks aquatic migrations

• takes up lots of land, are inefficient, harms flying animals, interrupts flying animal migrations

• produces radioactive waste, is nonrenewable

• not as energy rich as fossil fuels, takes agricultural resources that could be used for other purposes

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What are the largest problems with using biomass for energy?

• creates a reservoir, blocks sediment drainage, blocks aquatic migrations

• takes up lots of land, are inefficient, harms flying animals, interrupts flying animal migrations

• produces radioactive waste, is nonrenewable

• not as energy rich as fossil fuels, takes agricultural resources that could be used for other purposes

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