Unit Test — Unit test Answers

Which of the following statements about resource use is true?a.The use of renewable resources has no inherent costs.b.Resource use, whether renewable or nonrenewable, must be carefully managed to reduce the impact on the environment.c.Nonrenewable resources are used for energy, because there are no renewable resources that can be used as a source of energy.d.The overuse of nonrenewable resources is less environmentally damaging than the overuse of renewable resources.

Which of the following statements about nuclear energy is true?a.Nuclear energy cannot be contained nor controlled.b.Nuclear energy is contained in nuclear bonds.c.Nuclear energy is less efficient than other energy forms.d.All of the above are true.

What two countries have nearly 50% of global coal reserves?a.United States and Canadab.United States and Russiac.Brazil and Russiad.Brazil and Canada

The operation of nuclear power plants in the United States is closely monitored and regulated.

Which of the following is not a technology that can be used to conserve resources?a.hydropowerb.volcanic powerc.natural gasd.geothermal

The use of non-local resources is associated with certain economic and environmental consequences.

Which of the following is true concerning natural resources?a.Natural resources are not recycled.b.Natural resources are only inorganic.c.They are part of natural processes.d.They only incorporate one form of matter.

Cyanobacteria have been engineered to produce isobutanol directly. What advantage does this have over other alternative biofuels?a.It is an inherently renewable fuel source.b.Multiple processing steps can be avoided.c.They produce chemical energy through photosynthesis.d.They make a biofuel alternative to gasoline.

Which of the following statements about using geothermal energy is not true?a.Geothermal energy can be used to fuel vehicles.b.Geothermal energy can be used as a source of electricity.c.Geothermal energy can be used as a source of heat.d.Geothermal energy is a renewable resource.

How can reduced precipitation lead to limited water availability?a.Reduced precipitation leads to overuse.b.Precipitation is a nonrenewable resource.c.Reduced precipitation is a global event.d.Reduced precipitation may lead to drought.

Which of the following statements about the use of nuclear energy is true?a.Nuclear energy cannot be used safely.b.Nuclear fusion has no known useful applications.c.Nuclear fission is currently more useful for producing energy than nuclear fusion.d.Nuclear fusion has fewer safety risks than nuclear fission.

Which of the following statements about paper recycling is not true?a.Recycling one ton of newspaper can save 100 trees.b.Recycling paper can lead to 74% less air pollution.c.Paper recycling can save on the use of water resources.d.Recycling paper can lead to 35% less water pollution.

Who administers the Clean Air Act?a.local police forcesb.the Environmental Protection Agencyc.the office of Homeland Securityd.individual businesses

How does the use of nonrenewable resources compare to the use of renewable resources?a.The use of renewable resources is potentially more harmful to the environment than the use of nonrenewable resources.b.The use of renewable resources is more common and widespread than the use of nonrenewable resources.c.The overuse of renewable resources can lead to problems similar to those associated with the use of nonrenewable resources.d.Renewable resource use is more problematic than the use of nonrenewable resource use.

Which of the following countries is the top oil consuming and importing country?a.Saudi Arabiab.Canadac.United Statesd.France

Which of the following would not be considered a renewable resource?a.oxygenb.natural gasc.freshwaterd.trees

Which statement best describes geothermal energy?

How is the heat generated by the reactor core of a nuclear power plant used to provide power to buildings?a.It is used directly to heat homes and offices.b.It generates steam, which turns a turbine, powering a generator.c.It generates steam, which is then condensed back to water. This process produces energy.d.All of the above

Which of the following results in the release of nuclear energy? Please select the best answer from the choices provided

Which of the following is not a concern associated with fossil fuel dependence?a.global warmingb.rising pricesc.increased competitiond.increased development