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What is methane hydrate, and why does its exploitation represent a major potential environmental threat?

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Methane hydrate is a combination of meth...

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All of the following damaging effects result from the widespread use of fossil fuels EXCEPT:


A) excess radiation.
B) global warming.
C) massive oil spills.
D) acid rain.

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How do nuclear reactors operate?

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In commercial nuclear reactors, naturall...

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List and briefly describe three methods by which we will likely meet future mineral resource needs.

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Mining of manganese oxide nodules from t...

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The reason we do not yet use nuclear fusion as a common energy source is:


A) it is still theoretical, and has not yet been achieved.
B) a practical source of fuel has not been found.
C) the process requires more energy than it produces.
D) a means has not been found to control the nuclear reactions on a large scale.

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Silica- rich mineral veins bearing productive gold and silver mines are produced by:


A) secondary enrichment processes.
B) hydrothermal processes.
C) igneous processes.
D) sedimentary processes.

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In developing countries, approximately what percentage of cooking and heating energy is provided by biomass?


A) 35%.
B) 55%.
C) 70%.
D) 85%.

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The principal difference between a petroleum source rock and a reservoir rock is:


A) depth.
B) composition.
C) permeability.
D) one is marine and the other is terrestrial.

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Methane hydrate is stable today under which one of the following conditions?


A) Low temperature and high pressure.
B) Both high temperature and high pressure.
C) Both low temperature and low pressure.
D) High temperature and low pressure.

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All of the following represent nonrenewable natural resources EXCEPT:


A) coal.
B) soil.
C) oil shale.
D) natural gas.

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Acid rain is probably not a major environmental problem in regions underlain by:


A) limestone, as in much of the Mid- western United States.
B) granite, as in much of New England.
C) gneiss, as in much of the Carolinas.
D) basalt, as in much of the Northwestern United States.

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Briefly discuss the processes used in extracting petroleum from oil reserves.

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In newly drilled wells, oil usually gush...

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What is the origin of petroleum?

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Petroleum production generally begins in...

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List three nonmetal building materials and their principal uses.

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(Students' answers should include three ...

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Which of the following statements concerning tidal power is NOT true?


A) Tidal power is ecologically disruptive.
B) Tidal power requires a tidal range of at least 8 meters within a narrow bay or inlet, and is therefore not likely to become a dominant energy source.
C) Although tidal power is not utilized in the United States, there are areas where development could occur.
D) Electricity is produced only during its release at low tides.

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All of the following statements concerning biomass as a fuel source are true EXCEPT:


A) using trash to fuel electrical generators can provide waste disposal as well as produce energy.
B) grain alcohol is used as an additive to gasoline.
C) methane gas is produced by drying and compressing wood chips.
D) in North America, more homes are heated with wood than with electricity supplied by nuclear power plants.

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What is the waste produced when hydrogen is the fuel source?


A) Water.
B) Methane.
C) Carbon dioxide.
D) Hydrogen sulfide.

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Oil spills can be contained by which of the following methods?


A) Burning oil on the water surface.
B) Consumption by oil- eating bacteria.
C) Utilizing floating barriers to trap the oil.
D) All of the above.

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