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Many environmentalists rank global warming

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Director
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Joined: 14 Nov 2014
Posts: 599

Kudos [?]: 94 [0], given: 46

Many environmentalists rank global warming [#permalink]

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New post 24 Aug 2017, 21:47
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  25% (medium)

Question Stats:

70% (01:09) correct 30% (01:08) wrong based on 81 sessions

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1. Many environmentalists rank global warming as the most serious current threat to the world's environment, citing evidence that over the past 30 years, the global temperature has risen an average of 2 degrees. However, the average global temperature this year is equal to the average global temperature of last year. Global warming, therefore, is not as serious a problem as these environmentalists claim.

The argument is most vulnerable to the criticism that it:

(A) Argues that because a threat is present, that threat must be more serious than any other possible threat.

(B) Concludes that because there is lack of evidence for a problem, that problem does not exist.

(C) Attempts to refute a conclusion about a general trend by appealing to a single counterexample, even though such a counterexample may be consistent with the general trend.

(D) Relies on the ambiguous use of a key term.

(E) Presupposes what is seeks to establish.

LSAT
[Reveal] Spoiler: OA

Kudos [?]: 94 [0], given: 46

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Joined: 02 Aug 2009
Posts: 4981

Kudos [?]: 5483 [0], given: 112

Re: Many environmentalists rank global warming [#permalink]

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New post 24 Aug 2017, 23:13
sobby wrote:
1. Many environmentalists rank global warming as the most serious current threat to the world's environment, citing evidence that over the past 30 years, the global temperature has risen an average of 2 degrees. However, the average global temperature this year is equal to the average global temperature of last year. Global warming, therefore, is not as serious a problem as these environmentalists claim.

The argument is most vulnerable to the criticism that it:

(A) Argues that because a threat is present, that threat must be more serious than any other possible threat.

(B) Concludes that because there is lack of evidence for a problem, that problem does not exist.

(C) Attempts to refute a conclusion about a general trend by appealing to a single counterexample, even though such a counterexample may be consistent with the general trend.

(D) Relies on the ambiguous use of a key term.

(E) Presupposes what is seeks to establish.

LSAT


hi..

firstly WHAT is the criticism..
since the global temperatures of the present year is SAME as last year, the fear of global warming is misplaced.
Even though the evidence of increase of 2 degrees in last 30 years is there, the para tries to refute it.


let see the statements:-

(A) Argues that because a threat is present, that threat must be more serious than any other possible threat.
the argument is NOT about most serious threat but refuting a threat on basis of one example.

(B) Concludes that because there is lack of evidence for a problem, that problem does not exist.
there is evidence in terms of increase of 2 degree

(C) Attempts to refute a conclusion about a general trend by appealing to a single counterexample, even though such a counterexample may be consistent with the general trend.
this choice is consistent to the line of thought as discussed above.. CORRECT

(D) Relies on the ambiguous use of a key term.
the para does not talk on the usage but implications of key term

(E) Presupposes what is seeks to establish.
No, rather it counters the initial thought

C
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Kudos [?]: 5483 [0], given: 112

Senior Manager
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Many environmentalists rank global warming [#permalink]

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New post 14 Sep 2017, 22:52
Global warming - most ST
the average global temperature this year == average global temperature of last year
so that means global Temp not increasing = not a serious prob

how can we make a case :
1. what if temp. is not the only criteria?
2. we are looking at 30 years ___________ 1 years?
3. the average global temperature __________ an average of 2 degrees ????

The argument is most vulnerable to the criticism that it:

(C) Attempts to refute a conclusion about a general trend by appealing to a single counterexample, even though such a counterexample may be consistent with the general trend.

(D) Relies on the ambiguous use of a key term.
How to discard D. because para does use a key term in ambiguity. the average global temperature __________ an average of 2 degrees. There is a difference between these two terms.

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Joined: 05 Feb 2017
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Re: Many environmentalists rank global warming [#permalink]

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New post 14 Sep 2017, 23:16
By POE:-

IMO-C
Others are not throwing enough light in context of the arguement .


Sent from my iPhone using GMAT Club Forum

Kudos [?]: 9 [0], given: 49

Re: Many environmentalists rank global warming   [#permalink] 14 Sep 2017, 23:16
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