6.4 Renewable Energy Quiz

What is a key advantage of renewable energy compared to fossil fuels?

• Contributes more to air pollution

• Causes more land impact

• Can be replenished faster than it is used

• Limited by geographic region

What is one major con of all renewables?

• Do not contribute to air pollution

• Limited by geographic region

• Easily accessible

• Reduces reliance on foreign oil supplies

What is biomass?

• A non-organic energy source

• A type of fossil fuel

• Any organic (carbon-based) energy source

• A mineral-based energy source

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What is a disadvantage of using biomass as an energy source?

• Easily accessible

• Causes deforestation

• Reduces air pollution

• Supports US farmers

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What is one pro of ethanol as a biofuel?

• Increases reliance on foreign oil

• Supports US farmers

• Contributes to air pollution

• Limited by geographic region

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What is one of the cons of using ethanol as a biofuel?

• It decreases CO2 in the atmosphere.

• It is less energy dense than gasoline.

• It is cheaper to produce than gasoline.

• It reduces habitat loss.

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What is expected to become the largest renewable energy source in the U.S. in the coming decades?

• Wind energy

• Hydroelectric energy

• Solar energy

• Geothermal energy

What is a pro of passive solar energy?

• High maintenance cost

• Can be implemented retroactively

• Inexpensive and low maintenance

• Requires mechanical equipment

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What is a con of solar energy?

• No emissions during operation

• PV panels are expensive to manufacture and install

• Can generate electricity or heat

• Economically feasible

What is the average payback period for solar panels?

• 1-2 years

• 3-4 years

• 5-10 years

• 15-20 years

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