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Waste resulting from use of plastics is usually dumped in oceans

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Waste resulting from use of plastics is usually dumped in oceans  [#permalink]

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New post 05 Feb 2019, 05:17
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  65% (hard)

Question Stats:

58% (02:08) correct 42% (02:16) wrong based on 135 sessions

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Waste resulting from use of plastics is usually dumped in oceans. However, since plastics leech harmful chemicals into water, such dumping of plastic waste in oceans harms many life forms in oceans, disrupting the delicate balance of the marine ecosystem. Recycled plastics leech much lower amount of chemicals per pound of waste than non-recycled plastics do. In an effort to increase the use of recycled plastics, the government has introduced subsidies on recycled plastics, making such plastic goods much cheaper. Therefore, the negative impact of plastic usage on marine ecosystems can be reduced by encouraging public to avail the cost savings provided by government subsidies.

Which of the following statements most weakens the above argument?
A) Dumping of radioactive waste causes a much greater harm to the marine life in oceans than either of recycled plastic and non-recycled plastic
B) Many life forms in oceans have the capability to develop immunity against the harmful chemicals released by plastic waste.
C) Providing subsidies on recycled plastics is a costly ordeal to the government, increasing the government expenditure by a significant margin
D) Waste from non-recycled plastic can be processed and disposed of twice as quickly as the waste from recycled plastic.
E) The availability of cheaper plastic goods is likely to significantly drive up the demand of such goods

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Re: Waste resulting from use of plastics is usually dumped in oceans  [#permalink]

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New post 05 Feb 2019, 07:59
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In my opinion it is E.

All other options are either irrelevant or Strengthen the conclusion.
Option E: "The availability of cheaper plastic goods is likely to significantly drive up the demand of such goods ".
Per E, if the demand of cheaper/recycled plastics increases, then the amount of plastic waste will also increase.
Even though chemical per pound of recycled waste is less, the increase in the total amount of recycled plastic waste will eventually increase the total chemical waste in the oceans.
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Waste resulting from use of plastics is usually dumped in oceans  [#permalink]

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New post 05 Feb 2019, 12:22
A) Dumping of radioactive waste causes a much greater harm to the marine life in oceans than either of recycled plastic and non-recycled plastic -- wrong: not relevant as we are just comparing recycled and non-recycled plastic and it's affect on the oceans
B) Many life forms in oceans have the capability to develop immunity against the harmful chemicals released by plastic waste. -- wrong: we're discussing the impact of plastic waste on the oceans, not relevant how the life forms adapt
C) Providing subsidies on recycled plastics is a costly ordeal to the government, increasing the government expenditure by a significant margin -- wrong: we're not talking about costs
D) Waste from non-recycled plastic can be processed and disposed of twice as quickly as the waste from recycled plastic. -- wrong: the X->Y here is that recycled plastic causes less harm so the government's subsidies reduce the negative impact plastic has on the ocean so how fast non-recycled plastic can be processed and disposed is not relevant.
E) The availability of cheaper plastic goods is likely to significantly drive up the demand of such goods -- answer: it directly weakens the assumption here that government subsidies will reduce the negative impact of plastic on the ocean because it will encourage more recycled plastic usage
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Re: Waste resulting from use of plastics is usually dumped in oceans  [#permalink]

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New post 05 Feb 2019, 23:30
4d wrote:
Waste resulting from use of plastics is usually dumped in oceans. However, since plastics leech harmful chemicals into water, such dumping of plastic waste in oceans harms many life forms in oceans, disrupting the delicate balance of the marine ecosystem. Recycled plastics leech much lower amount of chemicals per pound of waste than non-recycled plastics do. In an effort to increase the use of recycled plastics, the government has introduced subsidies on recycled plastics, making such plastic goods much cheaper. Therefore, the negative impact of plastic usage on marine ecosystems can be reduced by encouraging public to avail the cost savings provided by government subsidies.


Which of the following statements most weakens the above argument?

A) Dumping of radioactive waste causes a much greater harm to the marine life in oceans than either of recycled plastic and non-recycled plastic

Radio active waste is out of scope. We are only concerened with plastic waste.

B) Many life forms in oceans have the capability to develop immunity against the harmful chemicals released by plastic waste.

This is a kind of strengther. If this option is correct then there is no danger to marine ecosystem.

C) Providing subsidies on recycled plastics is a costly ordeal to the government, increasing the government expenditure by a significant margin

Irrelevant

D) Waste from non-recycled plastic can be processed and disposed of twice as quickly as the waste from recycled plastic.

Not helpful. Do we know how they are disposing of the processed waste? What if still they are disposing of in the oceans. Speed of processing and disposing of waste is not that important.

E) The availability of cheaper plastic goods is likely to significantly drive up the demand of such goods

Best among all options. Even if we recycle plastic, it will become cheaper through subsidize recycling process and this may lead to more demand of such goods
.

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Re: Waste resulting from use of plastics is usually dumped in oceans  [#permalink]

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New post 09 Feb 2019, 04:21
can someone explain y "d: is no correct. if E is not there then i think this is the best choice to chose.
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Re: Waste resulting from use of plastics is usually dumped in oceans   [#permalink] 09 Feb 2019, 04:21
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