Unit 6 Test Review
Quiz by Amanda Wood
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19 questions
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- Q1New buildings often reduce the amount of water absorbed into the ground. Which of the following innovations would improve ground water absorption in the development of a new mall compared to conventional building methods?Porous asphalt in the parking lotRainwater collection on the roofGray water recycling in the restroomsReverse osmosis water filtration systems for drinking fountains30s
- Q2DDT is an insecticide that was banned in the United States in 1972 because it has been shown to cause cancer and negative environmental impacts. In recent years, some scientists have argued that DDT should be used again despite the possible health effects.The health risks caused by insect borne illness outweigh the health and environmental risks posed by DDT in some instances.Environmental conditions have improved since 1972, reducing the impact on the environment of DDT use.Additional chemicals have been developed to reverse the negative effects on health and the environment caused by DDT.Advancements in cancer research have minimized the negative health impact of DDT use.30s
- Q3Which statement best describes the intent of the Endangered Species Act of 1973?Protection of species and the ecosystems in which they live from human impact.Collecting endangered species and putting them in wildlife parks.Feeding and constructing shelters for endangered species.Passing legislation that encourages hunting of the predators of these species.30s
- Q4The National Park act was passed in 1916. What was the major reason for creating the act?Maintain an area that does not have invasive speciesConserve scenery, natural and historic objects, and wild life in an areaProvide a responsible method for mining the environment's natural resourcesCreate a natural environment for enjoyment and the construction of authentic zoos30s
- Q5The Texas automobile emissions regulations ensure compliance with the requirements of all of the following except ―The Montreal ProtocolU.S. Environmental Protection AgencyFederal Clean Air ActTexas Clean Air Act30s
- Q6Which environmental issue is directly addressed by the Clean Water Act?Adding fluoride to water to reduce the number of cavities seen in a populationEnforcing city restrictions on water usage when there is a droughtAdding pollutants into navigable waters from a point sourceUtilizing filters at water treatment plants to prevent bacteria from entering drinking water30s
- Q7The Environmental Protection Agency of the United States works to reduce emissions of chlorofluorocarbons through legislation and regulation. This is done to help meet the conditions of the Montreal Protocol. It was signed by President Reagan in 1987 and ratified by 196 other countries. What is the primary objective of the Protocol?To reduce all global greenhouse gas emissions 25% by 2050To decrease the release of common air pollutants that cause acid rainTo protect the Arctic and Antarctic ice caps from meltingTo stop ozone depletion and reverse its negative effects on the planet30s
- Q8The Protocol on Environmental Protection to the Antarctic is part of the Antarctic Treaty System. It provides for comprehensive protection of the Antarctic environment and its ecosystems. The treaty has been signed by over 40 countries, including the U.S. Enforcement of the treaty began on June 23, 1961. Which of the following was not an effect of the treaty?No mining of natural resources has occured either on or offshore.The Antarctic has been protected as a wilderness area.The ice sheet loss in the Antarctic Peninsula has been reduced.All tourism is monitored and controlled by ecologists to reduce the impact on the ecosystem.30s
- Q9Which document was designed to reduce greenhouse gases produced by countries around the world?Antarctic Treaty SystemMontreal ProtocolNorth American Agreement on Environmental CooperationKyoto Protocol30s
- Q10Eighty percent of the island of Greenland is covered by a glacier. In 2007, a new record was set as 40% of the ice sheet showed signs of melting. What do scientists believe to be the primary contributor to this glacier retreat that has been happening since the 1980s?Global atmospheric temperature changes due to air pollutionDepletion of the ozone layer by buildup of chlorofluorocarbonsWater pollution that had collected on the surface of the glaciersIncrease in pH levels of rain and snow that fall on the glaciers30s
- Q11Mass extermination efforts in the first half of the 20th century decimated the gray wolf population. Which of the following was not an effect on the other existing populations in the Western United States?Willows and other riparian plants were wiped out.Fish populations in the streams increased.The elk populations grew exponentially.Insect populations, such as mosquitoes, increased.30s
- Q12Which of the following occurrences is considered a type of point source pollution?heavy metals found in the runoff from mining communitiespetroleum and pesticides entering reservoirs as runoff from suburban streetsfertilizer runoff from agricultural areaswater contaminated with E. coli released from a water treatment plant30s
- Q13Local ecologists are called to investigate a fish kill near a power plant in their community. The plant uses a steam turbine to heat water to power a generator. Scientists can find no traces of harmful chemicals in the water table or in the dead animals. What is the most likely source of the problem?Thermal variationNuclear wasteheavy metalspesticide runoff30s
- Q14Many factories require large amounts of water to cool the engines of their machines. When this occurs, the water may be pulled from a nearby river. When the company no longer needs the water, it is routed back to the river. What type of pollution is most likely to be caused by this practice if it is not monitored and regulated?Thermal pollutionRecharge zone pollutionNonpoint pollutionGroundwater pollution30s
- Q15DDT is a chemical that has been used in pesticides for crop production. When rain washes the DDT into nearby aquatic ecosystems, the organisms are found to have DDT levels as shown above. The United States banned the use of DDT in 1972 due to it toxicity. DDT has had an impact on aquatic viability in all ways except —increased mortality in speciesdisruption of biological processesdecrease in concentration for consumersbioaccumulation in organisms30s
