Which of the following is not a zoning type?a.commercialb.residentialc.agriculturald.slum
Which of the following is true concerning sources of water pollution?a.Mine wastes and heavy metals become water pollution through storm water runoff.b.Biodegradable materials like food, wood, and leaves are not considered pollution.c.Petroleum byproducts and fuels end up as pollution principally from oil spills.d.Pesticides and herbicides do not commonly become water pollutants.
Alternative energy sources are always dependent upon favorable weather conditions.
Which of the following is true concerning continental crust?a.It does not contain radioactive elements.b.It mostly contains heavier and denser minerals than the mantle.c.It efficiently transfers heat from the mantle to the surface.d.None of the above
Energy efficiency strategies are based on the assumption that consumers will be willing to pay more in exchange for reduced energy use.
Earthquakes can _______.a.trigger other earthquakesb.cause tsunamisc.cause billions of dollars in damagesd.all of the above
Which of the following best explains why air pollution that was once blamed for global cooling is now considered responsible for global warming?a.Pollution began reflecting sunlight and heat rather than absorbing it.b.Evidence of global warming became overwhelming.c.Scientists mistakenly thought pollution reflected sunlight and heat rather than absorbed it.d.Congress required scientists to assign a cause to global climate change.
Which of the following statements about large scale mineral extraction is true?a.The economic benefits of large scale mineral extraction outweigh the environmental costs.b.Large scale mineral extraction is more destructive than in the past.c.Large scale extraction is vital to the economy of mining towns.d.Mineral extraction cannot be done in ways that do not completely destroy the environment.
Minerals are extracted from the Earth through various mining practices.
Which of the following is not a source of air pollution related to human activities?a.gasolineb.garbagec.forest firesd.radon
Which of the following is not true concerning the usage of public land? a. Public land is managed by federal and state agencies. b. Unprotected lands exist inside federal parks. c. Public land can be protected or unprotected. d. Wilderness areas and state parks are protected. Please select the best answer from the choices provided
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
The scientific community disagrees about _______.a.the rate of global climate changeb.the occurrence of global warmingc.the need for actiond.all of the above
It is unlikely that the United States will have further turning points in environmental policy, as most important issues have already been addressed.
Water conservation efforts have been wholly ineffective.
Human impact on streams and rivers is minimal.
Agricultural practices can lead to water pollution.
Which of the following is not a characteristic of the source of rivers and streams?a.high oxygen levelsb.freshwater fishc.cooler temperaturesd.murky waters
Which of the following is an example of a long-term change to ecosystems?a.seasonsb.tide cyclec.evolutiond.population growth
Global climate change will have no impact to life on the Earth.
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