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Waste management companies, which collect waste for disposal

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Waste management companies, which collect waste for disposal [#permalink] New post 03 Jan 2004, 09:58
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7. 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.
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 [#permalink] New post 03 Jan 2004, 11:09
B. If most plastics handled by the waste mgmt companies include only non-recyclable types, then the argument cannot conclude that the attempt to decrease the amount of plastic people are throwing away has failed

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 [#permalink] New post 03 Jan 2004, 11:52
Waste management companies, which collect waste for disposal in landfills and incineration plants, report that disposable plastics make up an ever-increasing percentage...

It is clear that attempts to decrease the amount of plastic that people throw away in the garbage are failing.


So the argument confuses a proportion with an absolute level.

I think that this supports d. Because its possible that since other materials are being disposed less often, it's still very possible for plastic waste to be declining at an absolute level but increasing at a relative level.
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 [#permalink] New post 03 Jan 2004, 12:20
Hmmm, I think you are right stoolfi. I missed the cue between percentage and amount. ETS for a fact loves to trick you on those. Furthermore, B gives more of an alternative explanation rather than a direct attack to weaken argument

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 [#permalink] New post 03 Jan 2004, 13:23
D is the corrcet answer. This question got me though. By reducing other recyling materials one can effectly increase the portion of plastic waste. So this weakens the argument directly.
  [#permalink] 03 Jan 2004, 13:23
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