Question ID:PT9 S2 Q7 Passage:Waste management companies, which collect waste for disposal in landfills and incineration plants, report that disposable plastics make up an ever-increasing percentage of the waste they handle. It is clear that attempts to decrease the amount of plastic that people throw away in the garbage are failing. Stem:Which one of the following, if true, most seriously weakens the argument? Correct Answer Choice:DChoice A:Because plastics create harmful pollutants when burned, an increasing percentage of the plastics handled by waste management companies are being disposed of in landfills. Choice B:Although many plastics are recyclable, most of the plastics disposed of by waste management companies are not. Choice C:People are more likely to save and reuse plastic containers than containers made of heavier materials like glass or metal. Choice D:An increasing proportion of the paper, glass, and metal cans that waste management companies used to handle is now being recycled. Choice E:While the percentage of products using plastic packaging is increasing, the total amount of plastic being manufactured has remained unchanged.