Energy Resources

Which environmentally safe energy sources depend heavily on the sun?

• wind and solar

• nuclear and coal

• solar and nuclear

Why is it important to limit the use of fossil fuels such as coal and natural gas?

• Fossil fuels are an unlimited resource on the Earth.

• Fossil fuels can be renewed in a matter of a few years.

• Fossil fuels cannot be replenished

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Which is the best example of a nonrenewable energy resource?

• coal

• ethanol

• oxygen

Which source of electricity would harm the environment the least?

• solar power

• diesel generator

• hydroelectric dams

• power lines

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Which best explains why fossil fuels should be conserved?

• They are inexpensive.

• They are in limited supply.

• They are dangerous to handle.

• They do not cause pollution when used.

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Fossil fuels are made up of organisms that died millions of years ago.

Which best describes this source of energy?

• Fossil fuels are nonrenewable sources of energy.

• Fossil fuels are renewable sources of energy.

• Fossil fuels are nuclear sources of energy.

Which is an example of conservation (saving) of energy resources?

• Niagara Falls, straddling both countries, produces electricity for Canada and the U.S.

• 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 (old looking ones) with compact fluorescent light bulbs(spiral ones).

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Which of these technologies helps a power company use renewable energy for the production of electricity?

• hydroelectric power

• nuclear power plants

• natural gas generators

• coal-fired power plants

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How does coal compare to natural gas?

• Both are renewable.

• Both are non-renewable.

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  Coal is renewable, while natural gas is non-renewable.

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Which form of energy transformation would result in the emission of the greenhouse gas methane?

• nuclear energy

• solar energy

• coal mining

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