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Twenty percent of all energy consumed in the United States [#permalink]
01 Apr 2004, 06:24
0% (00:00) correct
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Twenty percent of all energy consumed in the United States is
consumed by home appliances. If appliances that are twice as energy-
efficient as those currently available are produced, this figure will
eventually be reduced to about ten percent.
The argument above requires which of the following assumptions?
(A) Home-appliance usage would not increase along with the energy
efficiency of the appliances.
(B) It would not be expensive to produce home appliances that are
(C) Home-appliance manufacturers now have the technology to produce
appliances that are twice as energy-efficient as those currently
(D) The cost of energy to the consumer world rise with increases in
the energy efficiency of home appliances.
(E) The percentage of energy consumed by home appliances will
increase if existing appliances are not replaced by more energy-
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