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108 Cards in this Set
- Front
- Back
Number of major fisheries in decline
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13
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maximum sustainable yield
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largest volume or rate of use that will not impair its ability to be renewed or to maintain the same future productivity.
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tragedy of the commons
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economic reality that when a resource is available to all, exploit to max, leads to depletion
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aquaculture
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breeding of fish in freshwater ponds, lakes, canals or in fenced off cages in coastal bays open cages in ocean
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two main ways harvesting done
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clear cutting and selective harvesting
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Number of major fisheries in decline
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13
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maximum sustainable yield
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largest volume or rate of use that will not impair its ability to be renewed or to maintain the same future productivity.
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tragedy of the commons
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economic reality that when a resource is available to all, exploit to max, leads to depletion
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aquaculture
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breeding of fish in freshwater ponds, lakes, canals or in fenced off cages in coastal bays open cages in ocean
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two main ways harvesting done
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clear cutting and selective harvesting
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Number of major fisheries in decline
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13
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maximum sustainable yield
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largest volume or rate of use that will not impair its ability to be renewed or to maintain the same future productivity.
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tragedy of the commons
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economic reality that when a resource is available to all, exploit to max, leads to depletion
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aquaculture
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breeding of fish in freshwater ponds, lakes, canals or in fenced off cages in coastal bays open cages in ocean
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two main ways harvesting done
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clear cutting and selective harvesting
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production of minerals depends on balance of what 3 things?
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Richness of ore, distance to market, quantity avaliable
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traditional export pattern of goods
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primary products from developing to industrialized regions
manufactured from developed to developing |
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costs industrial location models consider
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transportation, labor, power, plant construction, price of raw materials, interest rate of money
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least cost theory proposed by Alfred Weber
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Owners try to maximize profits by locating manufacturing activities at sites with lowest total input costs. transportation most important.
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Agglomeration
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clustering of productive activity and people for mutual advantage
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Agglomeration economies
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decreased cost through shared facilities and services
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substitution principle
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replace declining amount of one input with an increase in another
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flexible manufacturing
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smaller production runs, flexible work crews, application of info. technologies, just-in-time delivery of parts and supplies
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flexible production system
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changing assembly lines from one good to another
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Role water plays in deciding where to locate industry
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cheap, early industries
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Role rails play in deciding where to locate an industry
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allowed for commercial exploitation of inland areas, still important, transferring water to rails
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Role highways play in deciding where to locate an industry
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more options for manufacturing plant placement
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footloose industry
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industry not affected by transportation costs
ex. electronics |
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Connection between transport cost and footloose industries
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as trans. costs go down, more industries become footloose
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ubiquitous industry
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industries inseparable from the market they serve
ex. newspaper, fresh veg. and dairy |
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comparative advantage
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each area, region or country concentrates on production of those items for which it has greatest relative advantage over other areas
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outsourcing
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producing parts or products abroad for domestic sale, subcontracting production and service sector work to outside domestic companies
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off-shoring
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the practice of either hiring foreign workers or contracting with a foreign third-party service provider to take over and run business processes and operations
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New International Division of Labor
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manufactured goods from developing world to developed world; subdivision of manufacturing processes into smaller steps.
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transnational companies
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private firms that have established branch operations in nations foreign to their headquarters country.
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4 main regions of world manufacturing
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1.Eastern Anglo America
2. Western and Central Europe 3. Eastern Europe 4. East Asia |
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countries that rely most on tertiary activities
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developed countries
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size of tourist industry
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largest worldwide industry in jobs and total value. 250 million jobs, $4.5 trillion economic value, 800 million visits annually.
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Why cities grown in 20th century
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industrializations leads to urbanization
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Where highest number of people live in urban areas
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Developing countries
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Countries with highest % living in urban areas
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Developed countries
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Allowed cities to develop in ancient world
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agricultural surplus, social organization and power
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what does situation refer to in relation to a city's location?
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the relative location
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What is the basic sector of a city?
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People doing work for areas outside the urban area
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what is the non-basic sector of a city
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People produce goods or services for residents of the urban area
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Multiplier effect between basic and non-basic workers
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Each basic worker needs non-basic workers to support them
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suburb
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segment of large urban area outside city
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central city
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within boundaries of main city
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urbanized area
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built-up landscape defined by building and population densities
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metropolitan area
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large-scale functional entity discontinuously built-up but nonetheless operating as an integrated economic whole
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3 main functions of the city
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1. Central place functions
2. Transport functions 3. Singular functions |
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Walter Christaller's Central Place Theory
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1. Towns of same size evenly placed, larger- farther apart
2. System of towns are interdependent, if one eliminated, entire system readjusts |
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Cities as centers of production
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circular and cumulative, resistant to decline
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Cities as centers of administration
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Always have govt. employees, education centers
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urban hierarchy
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ranking of cities based on size and function
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Rank-size relationship
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nth largest city is 1/n size of largest city
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World Cities
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stand at the top of national system, command and control centers of global economy
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Changes after 1945 lead to urban sprawl
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Improvements in automobiles, development of highway systems, increase in homeownership and 40 hr week
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suburbanization
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development of suburbs, residential came first, industries followed
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Factors that lead to decline of city in late 20th century
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cities congested, loss of jobs, loss of tax bases
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What is different about cities in western U.S?
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Rapid growth, sprawling expansion
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gentrification
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the rehabilitation of housing in oldest and now deteriorated inner-city areas by middle and high income groups.
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Variables leading to ppl settling in different parts of urban areas
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family status, social status, ethnicity
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Characteristics of Western European cities
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compact, high density, lower skyline, good public transportation system, built on previous city plans
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Eastern European cities
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compact, reflect communist planning principles, depend on public transportation
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Cities in developing countries
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fastest growing, some ancient cities, some colonial roots, some have modern technology, some dont.
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ecosystem
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self-sustaining units that consist of all the organisms and physical features existing together in a particular area
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food chain
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sequence of organisms through which energy and materials move within an ecosystem
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IPAT
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Impact on environment, Population, Affluence, Technology factor. Tells human impact on ecosystems
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% of water used for agriculture
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78%
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% of water used for industry
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18%
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major human impacts on flowing water
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construction of dams, canals, reservoirs, channelization
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point pollution
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enter environment at specific sites (sewage treatment plants)
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non-point pollution
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more diffuse and difficult to control
(runoff from ag. fields, road salts) |
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dead zone
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suffocation of animal life in the water. Fertilizers give nutrients, cause algae to grow, block sun from organisms
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How agriculture causes water pollution
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run-offs get biocides into hydrosphere
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How industry causes water pollution
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toxic minerals, oil spills, acid rain, thermal pollution
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How residences cause water polution
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contaminated run-off, chemical seepage, sewage
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How mining causes water pollution
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Heap-leach gold mining (Pouring cyanide to extract gold)
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Ways to control water pollution
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Public education programs, Manual clean-up, Recycling, Sewage treatment, Ban or regulate pollutants, Water quality legislation
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Causes of air pollution from humans
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burning fossil fuels, industrial process, incineration of waste, forest and ag. fires
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factors that affect air pollution
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climate, weather, wind pattern, topography
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acid rain
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oxides of sulfur and nitrogen change chemically in atmosphere and return to earth
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impacts of acid rain
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lower pH of water and soil, kills water creatures and vegetation, destroys buildings and statues
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photochemical smog
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interaction of hydrocarbons and oxides of nitrogen in sunlight. Damages human heath and vegetation.
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Why sinkholes and subsidence happen
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from extraction of material beneath earth
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endangered species
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those present in such low numbers in jeopardy of extinction
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vulnerable species
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decreasing populations likely to become endangered
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exotic species
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invasive species cause economic or environmental harm, non indigenous
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Role exotic species have in other species going extinct
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compete with other species, outcompete b/c dont have diseases or predators
ex. rabbits in australia |
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biological magnification
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accumulation of a chemical in fatty tissue and concentration at progressively higher levels of food chain
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U.S. countries produce how much waste compared to developing countries?
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twice as much
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problems with landfills
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liquids leak and pollute ground water, run out of land
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problems with incineration
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toxic pollutants in air emissions and ash
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source reduction
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producing less waste
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recyling
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recovery and reprocessing or reuse of previously used material into new products for the same or another purpose
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variables impacting how much a society recyles
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cost of collecting goods, fluctuations in market price, lack of ready market for products manufactured from recycled material, hidden costs of making things from raw materials
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how developing countries recycle waste
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waste pickers, Ad-hoc recycling
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hazardous waste
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wastes that pose an immediate or long-term human health risk or endanger environment
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region
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attempt to separate into recognizable component, parts the diversity and complexity of the earths surface
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regional concept
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physical and cultural phenomena on the surface of the earth are rationally arranged by spatial process
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regions in physical geography
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Land form regions ex. rocky mts., alps
Dynamic regions in weather and climate ex. air masses Natural resource region- coal and oil |
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regions in cultural geography
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Political region: state boundaries, nation states
Population regions: settlement patters, birth/death rates Language region: dialects Mental region: culture space, personal mental maps, activity space |
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regions in the locational tradition of geography
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economic, urban and ecosystem
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economic regions
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farming regions, industrial regions
ex. Tennessee valley, indian reservation |
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urban regions
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functional region analysis, regional modeling, formal regioning
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ecosystems as regions
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ex. everglades
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how has export pattern changed?
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manufactured goods from developing to developed countries
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