The beneficial ozone layer is in this region of the atmosphere
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A. Stratosphere
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The phenomenon causing global warming occurs primarily in this region of the atmosphere
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D. Troposphere
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Colorless, odorless gas that is a naturally occurring decay product of uranium
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B. Radon
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Emitted from most manufactured building materials and furniture
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E. Formaldehyde
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Composed of fibers known to cause lung disease
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D. Asbestos
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Found in old plumbing pipes and fixtures and some ceramic glazes
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C. Lead
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Solids, liquids and gases created through the compression of ancient organic plant and animal material in the Earth's crust are called
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A. Fossil fuels
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Zebra mussels are
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B. An introduced alien species in the Great Lakes
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Overgrazing of grasslands can lead to reduced range quality. Two of the major effects of overgrazing are
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B. Erosion and desertification
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The greatest amount of fresh water is found in which of the following?
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E. Polar ice caps and glaciers
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When species are transported geographically to an unknown area, they are called
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C. Nonnative species
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In the workplace, bad air mixed with mold spores has led to
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B. Sick building syndrome
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Soils found in mid-latitude grasslands would be most accurately described as having
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C. A deep layer of humus and decayed plant material
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The three main anthropogenic sources of gaseous air pollutants in the United States are
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B. Industry, transportation, and energy production
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Rachel Carson's contributions to the environmental movement include which of the following?
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B. Increasing public awareness of the risks of using pesticides
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Which of the following best illustrates the concept of tragedy of the commons?
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C. Depletion of an aquifer by regional farmers
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Coal is often contaminated with what element?
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E. Sulfur
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Which pesticide was banned due to its bioaccumulation in wildlife?
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B. DDT
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The underlying cause for deforestation in tropical areas is
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E. Population growth
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When an ecosystem reaches its final stage of balanced species development, it is called a(n)
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D. Climax community
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Which country's government has strongly promoted increases in nuclear power over the past 30 years?
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B. France
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The soil layer that contributes organic material to topsoil is the horizon
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E. O
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CAFE standards refer to
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C. Fuel efficiency
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"The maximum number of species that can be sustained in an ecosystem." This sentence best defines
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A. The carrying capacity
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How many oxygen atoms does ozone have?
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B. 3
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Ground-level ozone in most major United States cities results primarily from
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A. Motor vehicle exhaust
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An integrated pest management approach to pest control emphasizes which of the following?
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A. Reduction of crop damage to an economically tolerable level
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A home uses ten 100-watt lightbulbs for five hours per day. Approximately how many kilowatt-hours of electrical energy are consumed in one year by using the lightbulbs?
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D. 1,825
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The half-life of radon gas is approximately four days. Four weeks after the introduction of radon into a sealed room, the fraction of the original amount remaining is closest to
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E. 1/128
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Prior to mine reclamation laws, mine drainage and acidic runoff from coal tailings were toxic byproducts of
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D. Strip mining
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Global warming works a lot like
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D. A greenhouse
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Which community depends on periodic fires for reproduction?
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C. Coastal pine forest
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Which of the following describes the heat-island effect?
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E. Urban areas trap more heat than rural areas do
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The major reserves of nitrogen and sulfur in the biosphere are correctly identified by which of the following?
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C. Atmosphere for N and rocks for S
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What country has the highest population?
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B. China
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The biggest advantage of nuclear energy generation is that
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B. It doesn't generate greenhouse gases
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The Love Canal incident demonstrates that
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C. Polluting companies can escape from the costs and responsibility of their actions
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Nuclear power is commonly generated using the element
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D. Uranium
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The biggest human-supplied gas to the greenhouse effect is
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D. Carbon dioxide
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A sustainable society would emphasize
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C. Using energy efficiently and reusing and recycling matter
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Which of the following is managed on a multiple-use basis?
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A. National resource lands
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The phrase which best defines population density is
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A. The number of individuals in a certain geographic area
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The heat-island effect can be counteracted by all of the following except
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D. Using darker paints and building materials
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In the northern hemisphere, ocean gyres flow in what direction
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A. Clockwise
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Sustainable use of forests in the United States would likely be encouraged by
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B. Cutting small groups of medium and large-sized trees in uneven-aged forests
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When logging is carried out in a watershed, a likely effect on the local streams is
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E. Increased water temperature
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Which of the following is a major goal of the program begun in 1995 to reintroduce the gray wolf into Yellowstone National Park?
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E. Enable the removal of the gray wolf from the endangered species list
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Which of the following federal laws specifically deals with the cleanup of abandoned hazardous waste sites?
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A. Comprehensive Environmental Responsibility Compensation and Liability Act
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The primary gas released from respiration is
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C. Carbon dioxide
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Losses of usable energy between successive trophic levels in an ecosystem are best accounted for by which of the following?
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D. The second law of thermodynamics
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If the Earth had no atmosphere, the mean surface temperature would be approximately -15° C. With our present atmosphere, Earth's mean surface temperature is approximately +15° C. Which of the following is the best explanation for this difference?
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C. Absorption of infrared radiation by atmospheric gases
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Which of the following can be used to assess the biological diversity of an area?
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A. Genetic variation within each species and number of species present
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Twenty percent of the total US energy demand is used for lighting, heating, air conditioning, water heating, and
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A. Transportation
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City heat islands cause
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D. Pollutants to collect
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Pollution is considered an external cost when
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C. The cost to the environment is not reflected in the price of the products that produce the pollution
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The consumption of mosquitoes by bats and the control of flooding provided by tropical forests in mountainous areas of Central America are examples of
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B. Ecosystem services
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The use of which of the following to control agricultural insect pests is most likely to have a negative and persistent impact on an ecosystem?
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B. A chlorinated hydrocarbon
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Alligators in a Florida lake polluted by high levels of dioxins (chlorinated hydrocarbons) had low testosterone levels and failed to reproduce. Scientists came to the conclusion that the dioxins were acting as which of the following?
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E. Endocrine disruptors
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Age structure diagrams show all of the following except
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B. Fertility rate
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The most economically important fish affected by hydroelectric dams is
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A. Salmon
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Which of the following practices would have the biggest impact on achieving global sustainability?
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A. Reducing human population size
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Of the following, which is true of noise pollution?
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A. Sudden or persistent noise may lead to permanent hearing loss
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Which of the following has a late-loss survivorship curve?
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A. Elephant
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Which of the following would encourage recycling?
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C. Decreasing taxes on recycled material
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What is the primary source of nitrates and phosphates in the wetland?
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D. Fertilizer runoff
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Acid rain would be evidenced by
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A. Low pH
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The unit JTU is a measurement of
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A. Turbidity
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The large net used for catching fish in the wetlands is called a
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D. Seine net
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Identify the Bluegill from the provided images
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As sunfish or "sunnies," bluegills possess the trademark flattened and high physiques of the family. The top parts of their bodies are usually blackish-blue, greenish-brown, yellowish-green or deep green, while the rest is generally pale yellow. The edges of their oval outlines often feature vertical banding. Their cheeks have elements of dark purple or blue coloration, the origin of their common name. Bluegills' mouths are particularly memorable due to being extremely tiny in size.
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