Exam 13: Energy

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​The United States wastes very little of its commercial energy because of recent advances in energy efficiency.

(True/False)
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About 37% of the electricity used in the United States is produced from the fossil fuel called ____________________.​

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Improvements in energy efficiency could save up to 43% of the energy used in the United States.​

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​The heat stored in soil,underground rocks,and fluids in the earth's mantle that we can use for the production of energy is called ____________________.

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​Wind farms that are located ____ are more costly to install,but are expected to see increasing use because they can harness stronger winds and thus reduce the cost of producing electricity.

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Explain the current problems associated with nuclear fusion.

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​Discuss one of the three general conclusions of experts regarding the future of energy.

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​What is the byproduct of combing hydrogen and oxygen to produce energy?

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Improvements in ____________________ could save at least a third of the energy used in the world and up to 43% of the energy used in the United States.​

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​Consumers pay a hidden cost of ____ per gallon for gasoline.

(Multiple Choice)
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​What is the benefit of including the harmful environmental and health costs associated with fossil fuels,nuclear energy,and other nonrenewable resources?

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The United States has enough wind potential to meet an estimated 16 to 22 times its current electricity needs.​

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The long-term problem for the United States is that it uses about 20% of the oil produced globally,produces about 10% of the world's oil,and has only 2% of the world's proven crude oil reserves.​

(True/False)
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Hydropower has a low net energy yield.​

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Energy sold in the market place is referred to as ____________________.​

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​What energy resource has the highest net energy ratio for transportation?

(Multiple Choice)
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​What resource is used to generate about 40% of the electricity generated in the United States in 2013?

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​Aside from increasing energy efficiency,what energy resource has the highest net energy ratio for space heating?

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​The most common reactors,called ____________________ produce 100% of the United States' nuclear-generated electricity.

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Outline three things that you can do to shift toward more sustainable energy use.​

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