EVST CHAPTER 23
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A benefit of sanitary landfills over open dumps is that?
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a. clay liners at the bottom of the landfill help prevent groundwater pollution. b. a soil cover minimizes the escape and dispersal of offensive odors. c. they have systems designed to collect leachate. d. they tend to have fewer rodents than open dumps. e. All of these statements are correct <--
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A good example of source reduction would be:
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the lighter weight of aluminum cans compared to 30 years ago.
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A significant problem with waste incineration is that:
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heavy metals in the fly ash must be disposed of in a hazardous waste landfill.
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Bioremediation:
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involves the use of either microorganisms or plants to clean up a contaminated site.
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Every ton of recycled paper saves approximately:
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a. 17 trees. b. 7000 gal of water. c. 4100 kilowatt-hours of energy. d. 3 cubic yards of landfill space. e. All of these choices are correct <--
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Integrated waste management refers to:
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waste management techniques that involve reusing, recycling, and reducing
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One reason that only a small percentage of plastic is recycled is that:
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there are many different kinds of plastic found in consumer products
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One of the problems associated with sanitary landfills is:
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the possibility of a methane gas explosion.
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Organic waste can be converted into valuable soil conditioners through the process of:
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composting
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Over half of the solid waste produced in the United States is disposed of:
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in sanitary landfills.
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The largest dioxin polluters in the United States are probably:
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hospital waste incinerators.
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The largest single component of municipal solid waste in the United States is:
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paper products.
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Tires are a problem in sanitary landfills because they:
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collect water and provide a good breeding place for mosquitoes.
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What factors should be considered to make an \"ideal\" sanitary landfill?
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a. geology b. proximity to nearby surface and ground water c. proximity to population centers, but far enough to not be offensive d. does not require high transportation costs to deliver solid waste e. All of these statements are correct <--
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Which of the following correctly identifies one of the goals of waste prevention?
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decreased recycling of packaging materials
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Which of the following represent potential markets for compost from municipal solid waste composting programs?
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a. landscapers b. greenhouses c. golf courses d. farmers e. All of these choices are correct <--
