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# Compared to alligators, crocodiles are better able to

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Compared to alligators, crocodiles are better able to [#permalink]

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23 May 2012, 18:09
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Compared to alligators, crocodiles are better able to tolerate high salinity, because, unlike alligators, the glands on crocodiles' tongues can expel salt.

A. Compared to alligators, crocodiles are better able to tolerate high salinity, because, unlike alligators, the glands on crocodiles' tongues can expel salt
B. Unlike alligators' tongues, salt can be expelled through the glands on crocodiles' tongues, making crocodiles better than alligators at tolerating high salinity
C. Salt can be expelled through the glands on crocodiles' tongues and not through those on alligators' tongues; therefore, compared to alligators, crocodiles are more tolerant of high salinity
D. Unlike alligators, crocodiles can expel salt through the glands on their tongues; crocodiles are thus more tolerant of high salinity than are alligators
E. Compared with alligators, crocodiles are better at tolerating high salinity, because they can expel salt through the glands on their tongues while alligators' tongues cannot

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23 May 2012, 19:08
This was interesting and I was able to zero in on C and D as possible answers.

However I picked C (even though C sounds awkward) over D for the following reason:

Clauses separated by a semi-colon should be able to stand on their own.

In option D the second clause after the semi-colon uses the word "thus" implying there had to be a cause/reason preceding it. Hence, the second clause on itself, though grammatically correct, would not make meaning.

In option C, the two clauses are independent and can stand on their own. Therefore I chose C over D.

Are there reasons to eliminate C? Please teach me.

Thanks!
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23 May 2012, 19:11
gomennassai wrote:
This was interesting and I was able to zero in on C and D as possible answers.

However I picked C (even though C sounds awkward) over D for the following reason:

Clauses separated by a semi-colon should be able to stand on their own.

In option D the second clause after the semi-colon uses the word "thus" implying there had to be a cause/reason preceding it. Hence, the second clause on itself, though grammatically correct, would not make meaning.

In option C, the two clauses are independent and can stand on their own. Therefore I chose C over D.

Are there reasons to eliminate C? Please teach me.

Thanks!

Aha!!! I read C again -- "compared to alligators crocodiles are MORE tolerant of high salinity". Correct form should be -- "compared to alligators crocodiles are tolerant of salinity.". That should rule out C. And based on elimination I would pick D. But, still if someone can throw light on the semi-colon issue, that will be fantastic.....

learning it, one step at a time.
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23 May 2012, 19:23
I got it wrong too. I searched the forum but couldn't find this SC anywhere so I'm hoping someone can help me too.
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23 May 2012, 21:52
C has to be incorrect because "...and not through those" raises a flag. "those" is ambiguously placed followed by two possible plural references- "glands" and "tongues" and it's not entirely clear which of the two it is referring to. Choice D however leaves no such doubts; it is clear and concise. Remember that GMAT asks that we pick not just the right answer but the best answer. This means there could be potentially be 5 grammatically correct choices, yet we have to pick the "best" of that bunch.
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23 May 2012, 22:32
I do not think that there is ambiguity about those in C. Logic demands that we choose glands over tongues in this choice. To verify this, let us put the word tongues replacing those and see.

C. Salt can be expelled through the glands on crocodiles' tongues and not through the tongues on alligators' tongues; therefore, compared to alligators, crocodiles are more tolerant of high salinity--- tongues on allegators’ tongues --- does it stand reason? Therefore, C is not ruled out due to ambiguity.

IMO, the reason why C is not preferred is that the first sentence does not bring out the contrast that the passage intends. though implicitly. It simply uses and for the conjunction between crocodiles' tongues and the alligator’s tongues, which is a corroborative signal rather than a contrast. We must rather use but to distinguish between the glands on the tongue of the crocodiles and the glands on the tongues of alligators. Hence C is not as much acceptable as D.
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24 May 2012, 01:24
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Compared to alligators, crocodiles are better able to tolerate high salinity, because, unlike alligators, the glands on crocodiles' tongues can expel salt.

A. Compared to alligators, crocodiles are better able to tolerate high salinity, because,
Quote:
unlike alligators,
the glands on crocodiles' tongues can expel salt- Alligators Vs Tongues not acceptable
B. Unlike alligators' tongues, salt can be expelled through the glands on crocodiles' tongues, making crocodiles better than alligators at tolerating high salinity-Tongues Vs Salt comparison
C. Salt can be expelled through the glands on crocodiles' tongues and not through those on alligators' tongues; therefore, compared to alligators, crocodiles are more tolerant of high salinity-Redundant long sentence and passive voice-rejected
D. Unlike alligators, crocodiles can expel salt through the glands on [quot Logical[/quote]tongues; crocodiles are thus more tolerant of high salinity than are [b]alligators-Logical Comparison- Accepted
[/b]E. Compared with alligators, crocodiles are better at tolerating high salinity, because they can expel salt through the glands on their tongues while alligators' tongues cannot
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Re: Compared to alligators, crocodiles are better able to [#permalink]

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30 Sep 2012, 18:00
Compared to alligators, crocodiles are better able to tolerate high salinity, because, unlike alligators, the glands on crocodiles' tongues can expel salt.

A. Compared to alligators, crocodiles are better able to tolerate high salinity, because, unlike alligators, the glands on crocodiles' tongues can expel salt - Incorrect comparison.
B. Unlike alligators' tongues, salt can be expelled through the glands on crocodiles' tongues, making crocodiles better than alligators at tolerating high salinity - Incorrect comparison.
C. Salt can be expelled through the glands on crocodiles' tongues and not through those on alligators' tongues; therefore, compared to alligators, crocodiles are more tolerant of high salinity - Change the meaning.
D. Unlike alligators, crocodiles can expel salt through the glands on their tongues; crocodiles are thus more tolerant of high salinity than are alligators - Awesome.
E. Compared with alligators, crocodiles are better at tolerating high salinity, because they can expel salt through the glands on their tongues while alligators' tongues cannot - compare to/compare with are generally used with quantities/statistics.
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21 Oct 2012, 06:09
daagh wrote:
I do not think that there is ambiguity about those in C. Logic demands that we choose glands over tongues in this choice. To verify this, let us put the word tongues replacing those and see.

C. Salt can be expelled through the glands on crocodiles' tongues and not through the tongues on alligators' tongues; therefore, compared to alligators, crocodiles are more tolerant of high salinity--- tongues on allegators’ tongues --- does it stand reason? Therefore, C is not ruled out due to ambiguity.

IMO, the reason why C is not preferred is that the first sentence does not bring out the contrast that the passage intends. though implicitly. It simply uses and for the conjunction between crocodiles' tongues and the alligator’s tongues, which is a corroborative signal rather than a contrast. We must rather use but to distinguish between the glands on the tongue of the crocodiles and the glands on the tongues of alligators. Hence C is not as much acceptable as D.

Does GMAT test conjunction usages like and & but?
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Re: Compared to alligators, crocodiles are better able to [#permalink]

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21 Oct 2012, 10:41
welcome to gmatword yes it does
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Re: Compared to alligators, crocodiles are better able to [#permalink]

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22 Oct 2012, 01:02
welcome to gmatword yes it does

Thanks but I don't quite think so . This is the only Question I have come across so far in my preparation that tests conjunctions.

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Re: Compared to alligators, crocodiles are better able to   [#permalink] 22 Oct 2012, 01:02
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