Buffer zones _______.a.can help regulate the acidity of aquatic ecosystemsb.help increase erosion ratesc.are set up around natural resource areasd.all of the above
Climate change caused by natural disasters cannot have a negative impact on ecosystems.
The following is a chemical reaction for _______ with ozone. a. chlorofluorocarbons b. halons c. UV radiation d. none of the above Please select the best answer from the choices provided
Human health is unaffected by environmental limiting factors.
Permits in the cap and dividend policy are issued for _______ production.a.carbon dioxideb.timberc.water pollutiond.plastic
Energy efficiency strategies are based on the assumption that consumers will be willing to pay more in exchange for reduced energy use.
Which of the following best explains why humans need constant supplies of fresh water?a.Humans need a constant supply of water to provide them with essential vitamins.b.Humans need a constant supply of water to maintain proper hygiene.c.Constant supplies of freshwater are needed because body water is continually being lost.d.Constant supplies of freshwater are not actually necessary for survival.
Which of the following is a negative consequence of scientific advancements on society?a.increased life expectancyb.increased pollutionc.new energy resourcesd.all of the above
The ozone layer is located in the _______.a.troposphereb.stratospherec.mesosphered.thermosphere
An understanding of how human activity affects the environment is important for environmental policy makers.
The ozone layer helps sustain life by absorbing a large amount of incoming UV radiation.
Which of the following is true about glass recycling?a.Recycling glass reduces the rate of deforestation.b.Recycling glass eliminates greenhouse gas emissions.c.Recycling glass is an energy-saving practice.d.Recycling glass has an incredibly short turn around time.
The sustainable use of rainforest resources is exemplified by _______.a.lumber harvestingb.ranchingc.harvesting nutsd.none of the above
Which of the following stages of urban development contributed to an increase in suburban living?a.preindustrialb.industrialc.pedestriand.automobiles
It is best to say that restoring and protecting estuaries and wetlands _______.a.helps prevent pollution in coastal waterwaysb.results in higher juvenile fish mortalityc.improves the health of coastal ecosystemsd.has no impact on fish populations
Water conservation efforts have been wholly ineffective.
Human use of groundwater has _______ over time.a.increasedb.decreasedc.decreased and then increasedd.remained the same
The high productivity of American agriculture is exemplified by _______.a.low crop yields per farm workerb.high crop yields per farm workerc.the small cultivated area per inhabitantd.the small cultivated area per farmer
After the energy crisis of the 1970’s and the OPEC oil embargo, the US _______.a.increased its dependency on foreign oilb.began to wean itself off of foreign oil and the economic vulnerability it bringsc.changed over to all renewable energy sourcesd.began building new nuclear power plants to replace fossil fuel use
Which of the following is not a way that oil production could potentially affect aquatic viability?a.marine oil spills during transportationb.offshore oil drillingc.interruption of water flowd.contamination from waste products
Alternative energy sources are always dependent upon favorable weather conditions.
The greenhouse effect _______.a.is essential for life on Earthb.warms Earth’s atmospherec.is a natural phenomenond.all of the above
Which of the following statements about urban growth is true?a.The rate of urban growth in the world is decreasing.b.Urban sprawl is less environmentally damaging than upward growth.c.Upward growth is less environmentally damaging than urban sprawl.d.More people are moving away from cities than in previous years.
Which of the following is not a strategy for reducing environmental risk?a.safely disposing of wasteb.setting fines for pollutionc.remediating waste generationd.remediating contamination
How has technology benefited energy production?a.It has provided for the use of alternate energy sources that have reduced impact on the environment.b.It has allowed for the use of energy sources that are renewable.c.It has allowed for the improvement of existing methods of producing energy.d.All of the above
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