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A recent examination of the waters of the Southern Ocean showed a subs

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A recent examination of the waters of the Southern Ocean showed a subs  [#permalink]

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New post Updated on: 08 Aug 2018, 03:56
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A recent examination of the waters of the Southern Ocean showed a substantial increase in pollution levels, which is usually caused by routine oil spills during industrial drilling operations in the area. Last month, an article published in the biannual newsletter of a prominent environmental organization attributed this increase to the operations of Gaston Inc., an oil company with several large deep-water drilling operations. This claim is not undermined by the finding that none of Gaston Inc.’s oil plants in the Southern Ocean had any oil spills, because ____________.

A. most increases in the pollution levels of oceans take place because of deep-water drilling operations

B. oil usually floats several feet below the surface of the ocean rather than at the surface itself

C. pollutants that enter the ocean sometimes take decades to affect the marine environment

D. tankers that transport oil from drilling plants to offshore locations often develop leaks

E. calculated amounts of oil are sometimes deliberately discarded by oil plants to maintain water pressure in the area surrounding the plant

Originally posted by Cbirole on 06 Aug 2018, 21:51.
Last edited by nightblade354 on 08 Aug 2018, 03:56, edited 2 times in total.
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Re: A recent examination of the waters of the Southern Ocean showed a subs  [#permalink]

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New post 07 Aug 2018, 21:49
Cbirole wrote:
A recent examination of the waters of the Southern Ocean showed a substantial increase in pollution levels, which is usually caused by routine oil spills during industrial drilling operations in the area. Last month, an article published in the biannual newsletter of a prominent environmental organization attributed this increase to the operations of Gaston Inc., an oil company with several large deep-water drilling operations. This claim is not undermined by the finding that none of Gaston Inc.’s oil plants in the Southern Ocean had any oil spills, because ____________.

A.most increases in the pollution levels of oceans take place because of deep-water drilling operations

B
oil usually floats several feet below the surface of the ocean rather than at the surface itself

C
pollutants that enter the ocean sometimes take decades to affect the marine environment

tankers that transport oil from drilling plants to offshore locations often develop leaks

E
calculated amounts of oil are sometimes deliberately discarded by oil plants to maintain water pressure in the area surrounding the plant


broall nightblade354

Why option E is wrong?
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A recent examination of the waters of the Southern Ocean showed a subs  [#permalink]

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New post 08 Aug 2018, 04:09
1
Bismarck wrote:
Cbirole wrote:
A recent examination of the waters of the Southern Ocean showed a substantial increase in pollution levels, which is usually caused by routine oil spills during industrial drilling operations in the area. Last month, an article published in the biannual newsletter of a prominent environmental organization attributed this increase to the operations of Gaston Inc., an oil company with several large deep-water drilling operations. This claim is not undermined by the finding that none of Gaston Inc.’s oil plants in the Southern Ocean had any oil spills, because ____________.

A.most increases in the pollution levels of oceans take place because of deep-water drilling operations

B
oil usually floats several feet below the surface of the ocean rather than at the surface itself

C
pollutants that enter the ocean sometimes take decades to affect the marine environment

tankers that transport oil from drilling plants to offshore locations often develop leaks

E
calculated amounts of oil are sometimes deliberately discarded by oil plants to maintain water pressure in the area surrounding the plant


broall nightblade354

Why option E is wrong?


They key to (E) being wrong lies within the word "sometimes". What if they dump once every 10,000 years? Further, please note that answer (E) highlights only "oil plants" and does not specify if it is Gaston's. This could imply it is other companies dumping all together and Gaston is innocent.

Does this help?
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Re: A recent examination of the waters of the Southern Ocean showed a subs  [#permalink]

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New post 09 Aug 2018, 03:01
nightblade354 :

E is not the answer because pollution has increased. Had it remained the constant than E can be considered as the answer.
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Re: A recent examination of the waters of the Southern Ocean showed a subs  [#permalink]

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New post 09 Aug 2018, 03:56
ankur909090 wrote:
nightblade354 :

E is not the answer because pollution has increased. Had it remained the constant than E can be considered as the answer.


While I appreciate your answer, I disagree. It says that the amounts are standard, but timing is not. So one year they dump 50 times, another they may do it once. This would increase the amount and decrease the amount in any given year. If the oil levels hadn't risen, I still do not see (E) as a viable option.

I firmly believe this is a poor question for a multitude of reasons, but my reasoning behind it is as sound as it can be for this type of question.
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A recent examination of the waters of the Southern Ocean showed a subs  [#permalink]

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New post 09 Aug 2018, 09:17
nightblade354 wrote:
ankur909090 wrote:
nightblade354 :

E is not the answer because pollution has increased. Had it remained the constant than E can be considered as the answer.


While I appreciate your answer, I disagree. It says that the amounts are standard, but timing is not. So one year they dump 50 times, another they may do it once. This would increase the amount and decrease the amount in any given year. If the oil levels hadn't risen, I still do not see (E) as a viable option.

I firmly believe this is a poor question for a multitude of reasons, but my reasoning behind it is as sound as it can be for this type of question.


E is wrong because in this case spills would be around the oil plants (we are given that spills are not near the plant). But we still need to show that the increase in production leads to increase in polution. More production -> more tankers needed -> More oil spills that are far away from the plants. Option D.
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Re: A recent examination of the waters of the Southern Ocean showed a subs  [#permalink]

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Re: A recent examination of the waters of the Southern Ocean showed a subs   [#permalink] 29 Mar 2020, 19:16

A recent examination of the waters of the Southern Ocean showed a subs

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