Global Environmental Issues
Exam Questions
Course Introduction
Global Environmental Issues explores the major challenges facing the Earth's environment today, including climate change, biodiversity loss, deforestation, pollution, and resource depletion. The course examines the scientific, social, economic, and political dimensions of these issues, emphasizing the interconnectedness of natural and human systems on a global scale. Students will analyze the causes and consequences of environmental problems, evaluate international policy responses, and consider sustainable solutions for the future. Through case studies and current events, learners will develop a comprehensive understanding of both the complexity and urgency of global environmental challenges.
Recommended Textbook
Scientific American Environmental Science For A Changing World 3rd Edition by Susan
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Page 2
Karr
Chapter 1: environmental Literacy and Sustainability
Lessons From a Vanished Society
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Q1) Modern fishing techniques use giant nets to harvest large numbers of fish in the short term.This may result in severely reduced populations of fish in the future.Which term BEST describes this scenario?
A)time delay
B)tragedy of the commons
C)sliding reinforcer
D)extinction
Answer: A
Q2) What does it mean for sustainable ecosystems to rely on renewable energy?
A)Population size is kept in check.
B)Energy is replenished daily by new inputs.
C)Energy can be recycled.
D)No new energy arrives on Earth.
E)Waste form one organism can be used by another.
Answer: B
Q3) What type of scientific study do the data in this graph represent?
A)applied science
B)empirical study
Answer: A
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Chapter 2: Science Literacy and the Process of Science
Fungal Attacker Threatens North American Bats
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Q1) Refer to Infographic 1.What are the possible outcomes after using the scientific method to analyze the data?
Answer: The hypothesis is either rejected (develop and test alternate hypotheses),modified,or accepted (published in a peer-reviewed journal and used to test new predictions or hypotheses).
Q2) What type of studies can provide correlations?
A)experimental
B)variable
C)correlational
D)observational
E)demonstrative
Answer: D
Q3) When bats were exposed to WNS fungus,how many were still alive on day 120?
A)18
B)16
C)8
D)6
Answer: D
Page 4
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Chapter 3: Information Literacy and Toxicology Lead in the Water
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Q1) Refer to Infographic 2.What is biomagnification? Use the figure to explain how predatory fish higher on the food chain are more likely to suffer health problems compared to organisms lower on the food chain.
Answer: Biomagnification is the process by which animals that are higher up on the food chain eat other animals that have accumulated toxins in their bodies.The higher organisms consume their prey's entire lifetime dose of toxins.The predatory fish ends up with a much higher dose of the toxins than it would have bioaccumulated directly from the water.
Q2) Decades of research show even low levels of lead exposure can impact a child's development in which way?
A)intellectually
B)physically
C)emotionally
D)All of these answers are correct.
E)None of these answers are correct.
Answer: D
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Chapter 4: Ecosystems and Nutrient Cycling Engineering
Earth
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Sample Questions
Q1) Which biome has abundant biodiversity,with warm temperatures and a great deal of rain?
A)tundra
B)temperate forest
C)savanna
D)tropical rainforest
E)boreal forest
Q2) A group of individuals of the same species living and interacting in the same region is a(n)____________.
A)community
B)population
C)cohort
D)biome
E)ecosystem
Q3) Certain plants called legumes can fix atmospheric nitrogen thanks to a symbiotic relationship with nitrogen-fixing bacteria associated with their root systems.How does this relationship benefit the plants? How can humans take advantage of this in agriculture?
Q4) How have humans impacted the carbon cycle,and how can humans use nature to address this issue?
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Chapter 5: Population Ecology Gray Wolves Return to Yellowstone
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Q1) Numerous towns and cities in the United States have a deer population problem due to the removal of predators.How would you explain that top-down regulation would help with the overpopulation problem? In addition,are there any bottom-up regulation strategies you would suggest to the townspeople?
Q2) Subtracting the death rate from the birth rate gives the _____________.
A)biotic potential
B)carrying capacity
C)logistic growth
D)population growth rate
E)exponential growth
Q3) What would happen to a large moose population if wolves were removed from the ecosystem? Explain your answer in terms of density-dependent or density-independent factors.
Q4) Which regulation is more likely to promote species diversity in the ecosystem?
A)top-down regulation
B)bottom-up regulation
C)global warming
D)boom-and-bust regulation
E)keystone species pressure
Page 7
Q5) Why is weather considered to be a density-independent factor?
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Chapter 6: Community Ecology the Florida Everglades: a Community in Cris
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Q1) The United States has some of the strictest laws on the harvesting of timber.Timber companies,however,have realized that even though they are required to replant after harvesting,they can just plant pine trees.What problems does this cause,and how would you change the regulation?
Q2) Which community do you think would be more resilient to a perturbation: a community with high species richness and low species evenness or one with low species richness and high species evenness? Why?
Q3) Which of the following groups feed on all of the other groups?
A)decomposers
B)producers
C)primary consumers
D)secondary consumers
E)tertiary consumers
Q4) One example of commensal interaction could be ________________.
A)snail kites and apple snails
B)gray squirrels and humans
C)bees and daffodils
D)leeches and alligators
E)gray squirrels and fox squirrels
Page 8
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Chapter 7: evolution and Extinction a Tropical Murder
Mystery
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Q1) Which of the following are human activities that could cause an increase in extinction rates?
A)habitat destruction
B)pollution
C)anthropogenic climate change
D)habitat destruction,pollution,and anthropogenic climate change
E)habitat destruction and pollution
Q2) ________ are stretches of DNA that influence traits of an individual.
A)Proteins
B)Imprints
C)Genes
D)Founders
E)Constraints
Q3) It is estimated that _____ of all species that have ever lived on this planet have gone extinct.
A)10%
B)25%
C)50%
D)75%
E)more than 99%
Page 9
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Chapter 8: Biodiversity Palm Oil Plantations Threaten
Tropical Forests
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Q1) You take a snorkeling trip off the coast of one of the islands.You see many fish,corals,and even some dolphins.Your snorkeling trip is an example of which ecosystem service?
A)ecosystem regulation and support
B)human provisions
C)cultural benefits
Q2) Which of the following is TRUE of isolation and extinction risk?
A)The number of unique species increases with isolation.
B)The larger the population size,the more likely a random event might exterminate the entire group.
C)Isolation increases the chance of recolonization to replace lost members.
D)Isolation increases the genetic diversity of a population.
Q3) What is NOT an example of an ecosystem service?
A)fuel made from forest materials
B)water purification
C)decomposition of organic material
D)camping
E)All of these choices are examples of ecosystem services.
Q4) Why are biodiversity hotspots important?
Q5) What is the connection between endemic species and endangered species?
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Chapter 9: Preserving Biodiversity a Forest Without Elephants
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Q1) What is one way a consumer might impact the conservation of species and their habitats?
A)being educated about local and global conservation issues
B)buying sustainably produced products
C)using fewer resources
D)reducing carbon emissions
E)All of these answer choices are correct.
Q2) What is the goal of ecosystem restoration?
A)to completely restore the ecosystem to the state before humans existed
B)to restore the species that have gone extinct from the area
C)to return the ecosystem to its original state or as close as possible
D)to change the ecosystem into a different one based on the area
E)to bring new species into the ecosystem
Q3) What legal protection did the Lacey Act of 1900 give?
A)protection of all marine mammals
B)regulation of the trade of endangered species
C)prohibition on the sale or possession of illegally obtained wildlife
D)pursuit of goals related to biodiversity conservation
E)encouragement of wetlands conservation
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Q4) In which protected area do you think an endangered species would best thrive?
Chapter 10: Human Populations the Kerala Model
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Q1) A country with a growing population will have a ________ age structure diagram,while a country with a shrinking population will have a ________ age structure diagram.
A)pyramid-shaped; bottom-heavy
B)evenly distributed; pyramid-shaped
C)bottom-heavy; top-heavy
D)evenly distributed; top-heavy
E)top-heavy; bottom-heavy
Q2) The correlation between social justice and curbing population growth depends heavily on ___________.
A)economics
B)health care
C)education
D)culture
E)government
Q3) The resource deficit on 2013 was ______ billion global hectares.
A)8.4
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Chapter 11: Urbanization and Sustainable Communities
Creating Green Cities
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Q1) Urban flight today can be triggered by which of the following?
A)clean air in cities
B)low cost of city living
C)friendly neighbors
D)overcrowding
E)the need for more farmers
Q2) Where are the majority of megacities predicted to be in 2030?
A)Asia
B)North America
C)South America
D)Europe
E)Africa
Q3) You want to find a city with an abundance of green spaces.Green spaces have benefits:
A)physically,as people can jog,bike,and play.
B)environmentally,as unpaved areas can reduce flooding and provide habitat for wildlife.
C)socially,through community pride and higher property values.
D)All of these are benefits of green spaces.
Page 13
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Chapter 12: Environmental Health Eradicating a Parasitic Nightmare
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Q1) Why is it difficult to map cause-and-effect relationships of human hazards and disease?
Q2) Which of the following causes the most deaths globally?
A)diarrheal diseases
B)malaria
C)noncommunicable diseases
D)dengue fever
E)schistosomiasis
Q3) Why is Guinea worm disease (GWD)not a zoonotic disease?
Q4) Emerging infectious diseases are ___________.
A)diseases new to humans
B)illnesses that are not transmissible between people
C)diseases that have established themselves in the natural world
D)all zoonotic
E)None of these answers is correct.
Q5) What do you think has had the greatest impact on eradicating Guinea worm disease?
Q6) Why is the eradication of Guinea worm disease (GWD)possible?
Q7) Why is it important to get affected community buy-in when trying to reduce environmental health hazards (or any kind of hazard,for that matter)? Page 14
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Chapter 13: ecological Economics and Consumption Wall to
Wall, Cradle to Cradle
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Q1) A linear economic model would include which of the following items?
A)recyclable products
B)crude oil as an energy source
C)cow manure
D)reclaimable waste
E)both recyclable products and cow manure
Q2) Sustainable use of forests allows us to use the trees to produce goods without depleting them.The amount of net resources produced from the forest or any other form of natural capital is known as ____________.
A)an ecological footprint
B)internal cost
C)raw material
D)natural interest
E)true cost
Q3) Compare and contrast technology as a variable that increases and decreases a population's overall impact.
Q4) Your company is in the process of developing an alternative to carpet tile.To make your product more desirable and profitable,what correct costs of manufacturing carpet tiles should your designers focus on and why?
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Chapter 14: environmental Policy the World Tackles Ozone
Depletion
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Q1) Why should we care about ozone?
A)It's a dangerous stratospheric pollutant.
B)It protects the Earth's surface from UV radiation.
C)It is used in the production of CFCs.
D)It's a major pollutant in our rainwater.
E)It protects the Earth from climate change.
Q2) An environmental impact statement (EIS)accomplishes which of the following?
A)sets monetary damages awarded to the plaintiff in an environmental lawsuit
B)outlines the positive and negative impacts of a proposed action
C)allows a private citizen to sue,in federal court,a violator of environmental law
D)details damage done to an environment,including air,water,and soil
E)regulates production and distribution of designated toxic chemicals
Q3) Explain how the depletion of the ozone layer in the stratosphere is allowing more UV-B radiation to reach the Earth's surface.
Q4) Where is ozone (O<sub>3</sub>)naturally broken down and formed?
A)troposphere
B)stratosphere
C)mesosphere
D)thermosphere
Page 17
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Chapter 15: managing Solid Waste a Plastic Surf
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Q1) Often,humans use hazardous materials without even knowing that the products they are using are harmful.What are some products that qualify as household hazardous waste? What efforts do you think should be made to make people more aware of the products they are using and how they should be properly disposed of?
Q2) In the United States,91% to 97% of all garbage is categorized as ___________ waste.
A)recycled paper
B)mining
C)municipal paper
D)agricultural,mining,and industrial
E)municipal metal
Q3) __________ is harmful to humans; it is toxic,flammable,corrosive,explosive,and/or radioactive.
A)biodegradable waste
B)sanitary landfill waste
C)municipal waste
D)hazardous waste
E)industrial waste
Q4) What is the difference between degradable and biodegradable waste?
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Chapter 16: Freshwater Resources Toilet to Tap
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Q1) Which statement about water use is INCORRECT?
A)The United Nations estimates that 2.8 billion people lack sufficient access to clean water.
B)As the population increases,water scarcity and sanitation issues will also increase.
C)Because of their unsustainable practices,per capita water use in developing countries is far greater than in developed nations.
D)In some areas of the world,there is enough water,but people do not have enough money to purchase or dig wells to access it.
E)Middle Eastern nations are among the most water-stressed countries in the world.
Q2) Of all the freshwater on the Earth,approximately ________________ is trapped as ice.
A)10%
B)80%
C)50%
D)8%
E)60%
Q3) How might global warming and climate change affect water scarcity in the future?
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Chapter 17: Water Pollution Suffocating the Gulf
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Q1) Most pollutants from nonpoint source pollution enter the water from _________.
A)the air
B)stormwater runoff
C)other streams
D)the ocean
E)broken or leaky pipes
Q2) Which is an example of nonpoint source pollution?
A)a sewage treatment pipe leaking
B)a discharge pipe from an industrial site
C)runoff water from lawns
D)animal waste from a feedlot pumped into a river
Q3) The Mississippi River watershed includes land area from _________.
A)Texas
B)Louisiana
C)Mississippi
D)Minnesota
E)All of these answer choices are correct.
Q4) Why should we care about water pollution?
Q5) Discuss some ways that human alteration of watersheds has affected the quality of surface water and the quantity of groundwater.
Page 20
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Chapter 18: marine Ecosystems Ocean Acidification: the
Other Co2 Problem
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Q1) The most well-documented effect of ocean acidification is on _________.
A)marine mammals
B)saltwater fish
C)marine calcifiers
D)seaweeds
E)sharks
Q2) Coral reefs are limited to shallow water,and there is a concern that rising sea levels will affect the reefs.This is because ______________.
A)they require the lower salinity found in shallow waters
B)there are more nutrients found in shallow water
C)their symbiotic zooxanthellae require light to survive
D)they require coastal upwellings of CO<sub>2</sub> in order to survive
E)it is too difficult for them to build reefs in deeper water
Q3) What is the major cause of ocean acidification?
A)the increase in atmospheric carbon dioxide levels caused by human activity
B)pollution
C)overfishing
D)naturally occurring pH changes in the ocean
E)invasive species
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Q4) What are the causes of algal blooms,and how do algal blooms affect coral reefs?
Chapter 19: Forests Returning Trees to Haiti
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Q1) Which forest type has the most fertile soil?
A)deciduous
B)boreal
C)coniferous
D)tropical
E)temperate
Q2) The first director of the U.S.Forest Service was ___________.
A)Teddy Roosevelt
B)Aldo Leopold
C)Rachel Carson
D)Wallace Stegner
E)Gifford Pinchot
Q3) What is the difference between the mandate of maximum sustainable yield (MSY)and the Forest Service's new approach,Forest Ecosystem Management (FEM)?
Q4) Which of the following is NOT an ecosystem service of a forest?
A)goods
B)soil maintenance and protection
C)contribution to the increase of atmospheric carbon dioxide
D)recreation
E)ecotourism
Page 22
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Chapter 20: soil Resources and Grasslands Restoring the Range
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Q1) Soil erosion in grasslands is a direct result of _____________.
A)urbanization and soil compaction
B)soil compaction and energy production
C)plant loss and urbanization
D)plant loss and soil compaction
E)plant loss and energy production
Q2) You have been employed by a seed company to genetically modify a high-yielding wheat variety so it is resistant to the most common types of wheat diseases.Why and how could grasslands be important in your research?
Q3) Which of the following statements are correct?
A)Grasslands are not found in Antarctica.
B)Grasslands are found on every continent.
C)Grasslands vary based on climate.
D)Grasslands are not found in Antarctica and they vary based on climate.
E)Grasslands are found on every continent and they vary based on climate.
Q4) One modern farming technique is to give livestock antibiotics to prevent infection and promote growth.These antibiotics are excreted in the fecal matter of the animals and are still active.What is the consequence of this practice on soil?
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Q5) What are the challenges of a planned grazing approach to grassland management?
Chapter 21: Mineral Resources No Stone Unturned
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Q1) The breakdown of rock by physical or chemical forces is called __________.
A)weathering
B)erosion
C)metamorphosis
D)convergence
E)divergence
Q2) What are some problems with the current system in place for recycling e-waste? How could the system be improved?
Q3) Which of the following is a characteristic of surface mining?
A)It causes considerable habitat damage over the surface area mined.
B)There is a risk of chronic respiratory disease such as black lung.
C)Acid mine drainage as water is pumped out of underground mines.
D)Topsoil is left mostly intact.
E)All of these answers are correct.
Q4) High heat and pressure will lead to the formation of which type of rock?
A)igneous
B)metamorphic
C)sedimentary
Q5) Describe how Mark Hersam's work at Northwestern University helps address both resource scarcity and environmental pollution.
Page 24
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Chapter 22: Feeding the World a Gene Revolution
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Q1) Like the Green Revolution,low-tech farming methods in Africa have _______.
A)revolutionized the way people farm all over the world
B)increased grain production in less developed communities
C)introduced the use of GMOs and industrial agriculture methods
D)decreased the cost of farming for the typical farmer
E)led to a decrease in environmental problems caused by farming
Q2) How could planting Bt corn lead to even more pesticide use?
A)Bt-resistant pests thrive when Bt-susceptible pests are no longer competition,so it takes more pesticide to get rid of them.
B)Bt corn doesn't actually produce Bt-it just means that the plants are Bt resistant-so farmers still have to use the pesticide to rid the corn of pests.
C)Bt corn repels beneficial insects,which usually kill all of the pests,so now farmers must use pesticide.
D)Bt corn actually depends on pesticide use to grow and survive.
E)Bt corn does not lead to more pesticide use,as the Bt toxin produced by the plant is sufficient to kill all natural pests.
Q3) What are some of the major concerns associated with genetically modified organisms (GMOs)?
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Chapter 23: sustainable Agriculture: Raising Crops Farming
Like an Ecosystem
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Q1) Which green bean would likely have a higher nutrient content?
A)one grown on a new industrial farm
B)one grown on an established industrial farm
C)They would both have the same nutrient content.
Q2) Using ladybugs in the fields to help control insect pests is an example of _____ control:
A)cultural
B)mechanical
C)biological
D)chemical
Q3) By using agroecology,Takao Furuno received financial gains.What was he able to sell from his land?
A)rice
B)duck eggs
C)fish
D)figs
E)All of these answers are correct.
Q4) Why is sustainable farming a better way to grow food? Provide three reasons.What are the trade-offs? Discuss three.
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Q5) What are some potential hazards to using biological methods of pest control?
Chapter 24: Agriculture: Raising Livestock Can Meat Be Part of a Healthy,
Environmentally Conscious Diet
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Q1) Which of the following actions increases the carbon footprint?
A)eutrophication of waterways due to nitrogen and phosphorus from manure spills
B)removal of natural vegetation from land in order to grow feed crops
C)methane gas emitted by livestock
D)eutrophication of waterways due to nitrogen and phosphorus from manure spills,removal of natural vegetation from land in order to grow feed crops,and methane gas emitted by livestock
E)both removal of natural vegetation from land in order to grow feed crops and methane gas emitted by livestock
Q2) The original U.S.Farm Bill was created during which time period?
A)the Great Depression
B)the 1980s farming crisis
C)the 1970s corn blight
D)the end of World War II
E)2008-2010
Q3) Describe why antibiotic resistance is likely to emerge as a result of raising livestock in concentrated animal feeding operations (CAFOs)where antibiotics are included in feed.
Q4) Do sustainable animal rearing methods address the disadvantages of CAFOs?
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Q5) List and describe several ethical issues involved with raising animals in CAFOs.
Chapter 25: Fisheries and Aquaculture Fish in a Warehouse
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Q1) What percentage of global marine fisheries were sustainably fished in 2013?
A)31.4
B)90
C)51.8
D)10.5
Q2) As a marine biologist,you notice that the coral reefs around the Florida Keys are depleting rapidly.Which of the following choices would be MOST effective in protecting the coral reefs?
A)marine reserves
B)exclusive economic zones
C)marine-protected areas
D)conservation easements
E)shelterbelts
Q3) A fishery with annual catches below 10% of their historic levels that has reduced reproductive capacity is called ___________.
A)overexploited
B)collapsed
C)exhausted
D)finite
E)shrunken
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Chapter 26: coal Bringing Down the Mountain
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Q1) What is a way electricity can be produced?
A)burning coal
B)harnessing nuclear energy
C)using the energy of moving water
D)capturing solar energy
E)These are all ways electricity can be produced.
Q2) The largest proven coal reserve in the world is located in __________.
A)South America
B)North America
C)Asia
D)Europe
E)Australia
Q3) Which of the following is TRUE of surface mining compared to subsurface mining?
A)Surface mining has safer conditions than subsurface mining.
B)Surface mining creates greater damage to ecosystem than subsurface mining.
C)Surface mining has more alteration to landscape than subsurface mining.
D)Surface mining has greater expense than subsurface mining.
E)Surface mining is easier and simpler than subsurface mining.
Q4) How is acid mine drainage formed,and what are its effects on the environment?
Q5) What are the benefits of using coal as an energy source?
Page 29
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Chapter 27: Oil and Natural Gas the Bakken Oil Boom
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Q1) What is the definition of "unconventional oil reserves"?
A)unrecoverable oil that is found in rock,sand,or clay,whose extraction is cheap and environmentally sound
B)recoverable oil that is found in rock,sand,or clay,whose extraction is cheap and environmentally sound
C)recoverable oil that is found in rock,sand,or clay,whose extraction is expensive and environmentally costly
D)unrecoverable oil that is found in rock below natural gas deposits
E)unrecoverable oil that is found deep below the ocean floor
Q2) The Middle East holds approximately _______ of the world's oil reserves.
A)1/4
B)1/3
C)1/2
D)2/3
E)3/4
Q3) What do you think would be the most effective measure humans could take to reduce the amount of environmental damage from oil and natural gas mining?
Q4) Why are fossil fuels considered nonrenewable,given they are produced by natural processes?
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Chapter 28: Air Pollution the Youngest Scientists
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Q1) Which form of air pollution is acid rain?
A)secondary air pollutant
B)primary air pollutant
C)point source
D)nonpoint source
E)ground-level pollution
Q2) Even the most isolated regions on Earth are vulnerable to the effects of air pollution because atmospheric and hydrologic circulation moves chemical and particulate pollutants around the globe.This is an example of ___________.
A)environmental injustice
B)transboundary pollution
C)environmental racism
D)internal costs
Q3) Compare and contrast the health risks associated with indoor air pollution in developed versus developing countries.
Q4) What is it about the nature of the human lung that makes it so vulnerable to air pollution? Further,how does damage to respiratory tissue serve as a gateway to other kinds of human health problems?
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Chapter 29: global Climate Change Climate Refugees
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Q1) Climate change affect which of the following?
A)the environment
B)human health
C)economics
D)societies
E)All of these answers are correct.
Q2) Explain how clouds can participate in both positive and negative feedback loops.
Q3) Which of the following is FALSE about climate change evidence?
A)The rate of ice and permafrost melting is accelerating.
B)There is less precipitation in coastal areas.
C)Marine species are moving deeper into the ocean.
D)Some areas of Antarctica are cooling and gaining snow.
E)All of these statements are true.
Q4) What method of measuring atmospheric CO<sub>2</sub> levels gives data related to what past atmosphere CO<sub>2</sub> levels were?
A)local air measurement
B)water sampling
C)measurements taken from gas bubbles trapped in the ice
D)temperature correlation
E)all of these answers
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Chapter 30: Nuclear Power the Future of Fukushima
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Q1) Where are spent fuel rods currently stored?
A)at long-term storage sites
B)in steel-lined pools
C)in Yucca Mountain,Nevada
D)underground in emptied magma chambers
E)in developing countries
Q2) How do control rods regulate the rate of the nuclear reaction?
Q3) Spent fuel rods are one of the wastes associated with the production of nuclear energy.Spent fuel rods are classified as ________________.
A)LLRW (low-level radioactive waste)
B)MLRW (medium-level radioactive waste)
C)HLRW (high-level radioactive waste)
D)recoverable waste
E)insignificant waste
Q4) Which state leads in electricity generation by nuclear energy?
A)Texas
B)South Carolina
C)Alabama
D)Washington
E)Nebraska
Page 33
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Chapter 31: Sun, Wind, Water, and Earth Energy Fueled by the Sun
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Q1) What are the differences between active solar approaches and passive solar approaches?
Q2) Which renewable energy source has the greatest impact on the local environment?
A)solar energy
B)wind
C)geothermal energy
D)biomass
E)hydropower
Q3) The largest segment of renewable energy is ____________________.
A)solar energy
B)biomass
C)hydroelectric energy
D)geothermal energy
E)wind
Q4) What is the order of energy production by nonrenewable sources from LOWEST to Highest amount?
A)coal,natural gas,nuclear,oil
B)natural gas,coal,nuclear,oil
C)oil,nuclear,natural gas,coal
D)coal,nuclear,natural gas,oil
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Chapter 32: Biofuels Gas From Grass
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Q1) Which form(s)of biomass is/are burned directly for energy?
A)dried manure
B)restaurant fry grease
C)firewood
D)both dried manure and firewood
E)both restaurant fry grease and firewood
Q2) Which of the following is a waste that can be used to produce biofuel?
A)used fryer oil from restaurants
B)manure
C)crop residues
D)animal fats
E)All of these answers are correct.
Q3) _____________ refers to the process where a plant absorbs carbon dioxide from the atmosphere and then stores carbon in its roots.
A)Carbon absorption
B)Carbon storing
C)Carbon loading
D)Carbon sequestration
Q4) How would the production of cellulosic ethanol circumvent the "food versus fuel" controversy?
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