chapter 18
the most desirable method of dealing with hazardous wastes is
recycling and reusing hazardous wastes
which "R" of waste reduction can be described as "don't use it" ?
refuse
much of the e-waste in the US not buried or burned is ___________
shipped to asia or africa
piles of waste soil and rock removed during surface mining are called
spoils
some liquid hazardous wastes are stored in lined pools, pits, or lagoons, called _________
surface impoundments
which of the following techniques is an example of the 'reuse' part of the 'four Rs' approach to waste management
taking cloth bags to the grocery store for packaging of items
the world's largest producer of municipal solid waste (MSW) is ________
the United States
which industrialized nation refused to sign the international basel convention to reduce and/or control movement of hazardous e-waste across international boundaries
the United States
the "four Rs" of waste reduction present an alternative to the ______ economy
throwaway
garbologists have discovered that trash in landfills is slow to decompose. why is that?
trash is compacted so tightly that sunlight, water, and air are unable to reach it
heat produced by burning trash is converted into electrical energy in a/n
waste-to-energy incinerator
which of the following is an advantage of using incinerators that generate electricity
(I) energy production partially offsets cost and (II) waste volume is greatly reduced
which of the following is true of the process of bioremediation?
(II) bacteria and enzymes are used to detoxify hazardous wastes and (III) the process is especially useful on contaminated soil
calculate the percent of solid waste that could potentially be recycled into a soil enriching compost
34.3%
calculate how much more waste goes into sanitary landfills in the U.S. than is incinerated
4.1 times
depletion time is usually defined as the time it takes to use up _____% of the mineral reserves at a given rate of use
80
the ____ is used in the United States to regulate hazardous waste
Resource Conservation and Recovery Act
what is an example of shared use ?
a community tool library
the international treaty banning participating countries from shipping hazardous wastes internationally is the
basel convention
the function of the vertical pipes found in most landfills is to
collect methane
one advantage of materials recovery facilities (MRFs) is that ______
combustible wastes can be burned to generate electricity
which of the following mineral resourced is correctly matched with its use?
copper - electrical and communications wiring
what is one disadvantage of using plasma gratification to detoxify hazardous waste
cost
which statement is not a key principle for transitioning to a low-waste society
economic growth and free markets reduce waste
Outputs of hazardous waste can be reduced by relying less on ______ and more on _______
fossil fuels; renewable energy
dry cell batteries and household pesticides are classified as ______ waste
hazardous
which of the following waste types should not ultimately end up in a landfill ?
hazardous waste
this diagram is a representative a strategy known as....
integrated waste management
one advantage of bioremediation over physical and chemical methods of cleaning up hazardous wastes is that ________
it is cheaper
every metal product has a(n) ______ that includes mining and processing the mineral, manufacturing the product, and disposal or recycling of the product
life cycle
the largest contributor to industrial solid waste in the United States is the ________ industry
mining
