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Updated on: 21 Sep 2017, 08:05
Originally posted by YangYichen on 09 Dec 2016, 18:47.
Last edited by broall on 21 Sep 2017, 08:05, edited 1 time in total.
Last edited by broall on 21 Sep 2017, 08:05, edited 1 time in total.
Reformatted question
Kudos
Bookmarks
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
69% (01:40) correct
31%
(01:47)
wrong
based on 1369
sessions
History
Date
Time
Result
Not Attempted Yet
In the United States proven oil reserves—the amount of oil considered extractable from known fields—are at the same level as they were ten years ago. Yet over this same period no new oil fields of any consequence have been discovered, and the annual consumption of domestically produced oil has increased.
Which one of the following, if true, best reconciles the discrepancy described above?
(A) Over the past decade the annual consumption of imported oil has increased more rapidly than that of domestic oil in the United States.
(B) Conservation measures have lowered the rate of growth of domestic oil consumption from what it was a decade ago.
(C) Oil exploration in the United States has slowed due to increased concern over the environmental impact of such exploration.
(D) The price of domestically produced oil has fallen substantially over the past decade.
(E) Due to technological advances over the last decade, much oil previously considered unextractable is now considered extractable.
Source: LSAT
Which one of the following, if true, best reconciles the discrepancy described above?
(A) Over the past decade the annual consumption of imported oil has increased more rapidly than that of domestic oil in the United States.
(B) Conservation measures have lowered the rate of growth of domestic oil consumption from what it was a decade ago.
(C) Oil exploration in the United States has slowed due to increased concern over the environmental impact of such exploration.
(D) The price of domestically produced oil has fallen substantially over the past decade.
(E) Due to technological advances over the last decade, much oil previously considered unextractable is now considered extractable.
Source: LSAT
i chose A but OA is E. i don't think E can really be the reason why consumption increased but A explained it directly.
can someone help please.
can someone help please.
01 Jul 2018, 19:19
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adkikani
GMATNinja VeritasPrepKarishma nightblade354 pikolo2510 generis
Why is (D) an opposite answer?
are discovered, how could yearly consumption of domestically produced oil increase?
Is not this the explanation we are looking for?
adkikani , You wrote: Why is (D) an opposite answer?
Quote:
In the United States proven oil reserves—the amount of oil considered extractable from known fields—are at the same level as they were ten years ago. Yet over this same period no new oil fields of any consequence have been discovered, and the annual consumption of domestically produced oil has increased.
If same volume of oil is available for extraction, and if no additional oil fieldsare discovered, how could yearly consumption of domestically produced oil increase?
Quote:
(D) The price of domestically produced oil has fallen substantially over the past decade.
If price falls, more people will be able to buy the oil now and hence the consumption shall increase.Is not this the explanation we are looking for?
If same volume of oil is available for extraction, and if no additional oil fields
are discovered, how could yearly consumption of domestically produced oil
. . . HAVE INCREASED without a simultaneous decrease in available oil levels [my words]?
Whoops. You are answering the wrong question. We do not need to explain the increase in consumption.
We need to explain this apparent paradox: increased consumption of oil should have decreased oil reserve levels. Oil reserve levels did not drop.
How can we consume more oil, but have the same amount of oil in reserve? That discrepancy needs to be explained.
I am not sure what went wrong.
Why is the "same volume of oil" available for extraction? There should be LESS.
Option D does not explain the disparity. Option D probably makes things worse.
1) A price drop does not explain the seeming contradiction between escalated consumption and oil reserves whose levels stayed the same although no new oil fields were discovered.
A lower price cannot explain how available reserve levels can be the same as 10 years ago. Price changes do not create more extractable oil.
2) Option D makes things worse.
If anything -- you are correct about this part -- decreased price equals increased consumption . . .
But a greater increase in consumption should FURTHER decrease reserve levels.
A price drop makes the discrepancy worse (harder to explain).
Increased consumption ... no new oil fields ... but proven oil reserve levels have not dropped? Have stayed the same?
Which answer explains this seeming paradox?
(E) Due to technological advances over the last decade, much oil previously considered unextractable is now considered extractable.
The same fields with the same oil have been altered; technology made the fields able to produce more oil.
That increased production compensated for, or offset, the increase in consumption.
This language is the key to the whole question: "proven oil reserves—the amount of oil considered extractable from known fields . . ."
When LSAC people write definitions that seem incidental or ancillary, pay very close attention to the language.
LSAC folks get specific with language for a reason.
In this case, the reason was to give us a BIG HINT about how to reconcile what seemed like contradictory events.
"Extractability" is the only part of the contradiction that has "give" (that has flexibility, that contains the potential for change).
Hope that helps.
09 Dec 2016, 20:07
Kudos
Bookmarks
YangYichen
In the United States proven oil reserves—the amount of oil considered extractable from known fields—are at the same level as they were ten years ago.Yet over this same period no new oil fields of any consequence have been discovered, and the annual consumption of domestically produced oil has increased.
Which one of the following, if true, best reconciles the discrepancy described above?
(A) Over the past decade the annual consumption of imported oil has increased more rapidly than that of domestic oil in the United States.
(B) Conservation measures have lowered the rate of growth of domestic oil consumption from what it was a decade ago.
(C) Oil exploration in the United States has slowed due to increased concern over the environmental impact of such exploration.
(D) The price of domestically produced oil has fallen substantially over the past decade.
(E) Due to technological advances over the last decade, much oil previously considered unextractable is now considered extractable.
i chose A but OA is E. i don't think E can really be the reason why consumption increased but A explained it directly.
can someone help please.
Which one of the following, if true, best reconciles the discrepancy described above?
(A) Over the past decade the annual consumption of imported oil has increased more rapidly than that of domestic oil in the United States.
(B) Conservation measures have lowered the rate of growth of domestic oil consumption from what it was a decade ago.
(C) Oil exploration in the United States has slowed due to increased concern over the environmental impact of such exploration.
(D) The price of domestically produced oil has fallen substantially over the past decade.
(E) Due to technological advances over the last decade, much oil previously considered unextractable is now considered extractable.
i chose A but OA is E. i don't think E can really be the reason why consumption increased but A explained it directly.
can someone help please.
Hi
A is ruled out because of the coloured portion
Quote:
Yet over this same period no new oil fields of any consequence have been discovered, and the annual consumption of domestically produced oil has increased.
The statement above itself says domestic oil consumption has increased.
A just says that consumption of imported oil has increased more rapidly, but the fact remains that domestic oil consumption too has increased.
So A can be ruled out..
Now E tells us that the new methods have found new oil in the existing oil fields.
This reconciles the fact that even with more consumption and no new fields found, the oil reserves remain the same
