8.P.2 (Energy & Natural Resources) Review

A family builds an environmentally-friendly home. They want to use a renewable energy source that is the least dangerous to the environment. Which source of energy should they use to heat their home?

• geothermal

• natural gas

• nuclear power

• oil

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Greenhouse gases are often produced as a result of obtaining and using fossil fuels. Which greenhouse gas most likely has the greatest impact on global warming?

• nitrous oxide

• carbon dioxide

• methane

• oxygen

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Which will most likely occur if fossil fuels continue to be used globally as the primary energy resource?

• The amount of available food will increase.

• The amount of pollution in the oceans will decrease.

• The amount of greenhouse gases in the atmosphere will increase.

• The amount of health concerns affecting the human population will decrease.

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Which best explains the environmental consequences associated with generating hydroelectric power?

• Hydroelectric dams produce large amounts of oxygen.

• Reservoirs are also used for water sports and recreation.

• Reservoirs cause habitat disruption of surrounding areas.

• Hydroelectric dams produce large amounts of carbon dioxide.

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Energy companies often produce electricity from a variety of sources. Which of the following sources of energy would be considered a renewable energy source?

• oil

• gas

• coal

• wind

Why are governments most likely to encourage use of other energy sources other than oil?

• Oil is renewable.

• Oil is nonrenewable.

• Oil is too expensive to use as an energy source.

• Oil is the least efficient source of energy available.

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Which best describes a way energy can be conserved?

• drilling new oil wells off the coastline

• reducing transportation by automobiles

• decreasing the collection of energy through solar panels

• increasing the amount of electricity produced in nuclear power plants

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Which is an example of conservation of energy resources?

• Duke Energy operates a hydroelectric plant at its dam on the Catawba River in North Carolina.

• Windmills in the Netherlands have been capturing wind power for more than 2,000 years.

• In the U.S., households are replacing their incandescent light bulbs with compact fluorescent light bulbs and LEDs, which are more energy efficient.

• In the U.S., there has been an increase in the use of fracking technology to recover natural gas from the ground.

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Why is renewable energy often a more desirable alternative to nonrenewable energy?

• Renewable energy is less expensive than nonrenewable energy.

• Renewable energy is readily available, while nonrenewable energy supplies are limited.

• Renewable energy requires much less equipment maintenance than nonrenewable energy.

• Renewable energy harms the environment, while nonrenewable energy is environmentally friendly.

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Most automobiles depend on gasoline and oil. Which practice will best conserve these fossil fuels for future generations?

• Drive at high speeds to make gasoline combustion more efficient.

• Change the oil in the car only once per year

• Share rides with others so you won't need to ride in separate cars.

• Park unused cars in a shaded area.