Environmental Science Chapter 18 Renewable Energy Alternatives

Habitat loss, soil erosion, and air pollution are disadvantages of which renewable energy source?

• solar

• wind

• biomass fuel

• moving water

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Which of the following describes new wind turbines?

• cost-effective

• take up a large amount of space

• take a year to build

• cannot generate much electricity

Renewable energy is energy from sources that

• are constantly being formed

• will take years to deplete

• humans can manufacture

• were once living organisms

Which of the following is an example of how biomass fuel is currently being used?

• Biogas digesters ferment manure and produce methane

• Dung-fired power stations produce electricity

• Ethanol from fermenting corn is added to gasoline

• All of the above

A geothermal power plant can be used to generate electricity

• Anywhere in the U.S.

• In areas where deposits of water are heated inside earth

• In areas where the ground stays warm throughout the year

• Both (a) and (c)

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A hybrid car uses

• An efficient gasoline engine and an electric motor

• An efficient gasoline engine and a fuel cell

• A fuel cell and a solar cell

• A photovoltaic cell and an electric motor

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Compared to washing clothes in warm water, washing clothes in cold water uses

• Much more energy

• The same amount of energy

• Much less energy

• A little more energy

Hydrogen could be used as a fuel source in the future because it

• Is abundant

• Can be burned as fuel

• Is used in fuel cells

• All of the above

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Ocean Thermal Energy Conversion works because water boils at low temperatures when

• In a high-pressure chamber

• Cooled in a vacuum chamber

• Under low pressure in a vacuum chamber

• Pumped from the ocean

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Which of the following is an example of cogeneration?

• Driving a fuel-efficient car

• Using the waste heat from a furnace to power a steam turbine

• Using ocean thermal energy conversion to run a turbine

• Using tidal power to generate electricity

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