The plastics commonly used in household garbage bags take, on average, 100 years to decompose in landfills. From an environmental standpoint, the plastic bag industry should be forced to switch to newly developed plastics, which begin to decompose after only 20 years.
Which of the following pieces of information would be most helpful in evaluating the argument above?
(A) the rate of growth or decline in sales of plastic garbage bags
(B) the number of plastic garbage bags sold last year that eventually wound up in landfills
(C) the feasibility of enforcing legislation that regulates the plastics used in garbage bags
(D) the length of time it takes the newly developed plastic to fully decompose in landfills.
(E) a comparison of the production cost of one bag made with the old plastics and of one bag made with the new plastics
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