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Waste management companies, which collect waste for disposal [#permalink]
28 Sep 2006, 01:15
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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.
Which one of the following, if true, most seriously weakens the argument?
(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.
(B) Although many plastics are recyclable, most of the plastics disposed of by waste management companies are not.
(C) People are more likely to save and reuse plastic containers than containers made of heavier materials like glass or metal.
(D) An increasing proportion of the paper, glass, and metal cans that waste management companies used to handle is now being recycled.
(E) While the percentage of products using plastic packaging is increasing, the total amount of plastic being manufactured has remained unchanged.
A) Restates the facts that there's an increase in the number of plastics in the landfills. This could be a response to trigger an emotional reaction.
B) This one supports the argument because it says that MOST of the plastics used by waste management companies are not recyclable.
C) This one's a start in the right direction... but there could be a better answer.
D) This answer only talks about paper, glass, and metal cans... not plastics.
E) This one explains plastic production has remained the same while theres an increase in the amount of plastic products. Therefore, we can assume from this statement that the plastic is being recycled and used to produce those additional plastic products.
I'll take (E) too. Surely some plastic has to be recycled somewhere in order to make more products without increasing the total amount of plastic being manufactured. Waste management companies are just encountering more of those products.
This is a percentage/proportion problem. The fact that the percentage of plastic in the waste is increasing does not mean that there is more plastic waste. If the proportion of other wastes (metal etc) is decreasing (as they are being recycled) automatically the proportion of plastic in the waste goes up but the amount of plastic could still be the same as before or less. Its percentage is going up does not mean the actual amount of plastic is going up. D says exactly this and hence would be my choice!
Try and try until you succeed! There is just no giving up!
While E is quite debatable for it's economic theory, it can be related to the conclusion because at least it mentions about plastics. D mentions paper, glass, and metal cans, which are not plastics, and it's not relevant to the subject. Hence my answer is D.