Tiny quantities of more than thirty rare gases, most of them : GMAT Sentence Correction (SC)
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# Tiny quantities of more than thirty rare gases, most of them

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VP
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Tiny quantities of more than thirty rare gases, most of them [#permalink]

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28 Apr 2005, 10:59
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866. Tiny quantities of more than thirty rare gases, most of them industrial by-products, threaten to warm the Earthâ€™s atmosphere even more rapidly than carbon dioxide during the next fifty years.

(A) to warm the Earthâ€™s atmosphere even more rapidly than carbon dioxide during the next fifty years
(B) to warm the Earthâ€™s atmosphere even more rapidly over the next fifty years than carbon dioxide will
(C) during the next fifty years to warm the Earthâ€™s atmosphere even more rapidly than carbon dioxide
(D) a warming of the Earthâ€™s atmosphere during the next fifty years even more rapid than carbon dioxideâ€™s
(E) a warming of the Earthâ€™s atmosphere even more rapid than carbon dioxideâ€™s will be over the next fifty years
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28 Apr 2005, 11:04
Though I am not too convinced with B here but is the best choice out of the lot.

The sentence cud have been better stuctured though.

Saurabh Malpani
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28 Apr 2005, 11:18
I dont like any choices...but B is by far the best amongst them....

B it is..
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28 Apr 2005, 14:23
A)...i think that "during the next..." is better than "over the next..." when referring to a period of time.
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28 Apr 2005, 17:16
Yes B only because it is the least evil, all other refer to CO2 and not to what CO2 Does or will do
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28 Apr 2005, 17:42
Initially choose A but after careful analysis/observation, go with B.

Comparision between the act of tiny particles of rare gases and the act of carbodioxide. I thik A caompares between the act of tiny quantities of more than thirty rare gases and carbon dioxide, therefore is not correct, but seems correct. I think it is actually a trap.
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28 Apr 2005, 19:25
B. over the next fifty years is commonly used with predictions.
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28 Apr 2005, 19:39
MA wrote:
Initially choose A but after careful analysis/observation, go with B.

Comparision between the act of tiny particles of rare gases and the act of carbodioxide. I thik A caompares between the act of tiny quantities of more than thirty rare gases and carbon dioxide, therefore is not correct, but seems correct. I think it is actually a trap.

Abosolutely correct Wrong comparision between Fast and CO2
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28 Apr 2005, 19:58
here is my problem with the ques.......It is the "tiny quantities of gases" that produce the global warming....it shud || to quantities or some adj of CO2 and not CO2 or any action by CO2......what u guys think ?
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28 Apr 2005, 20:17
banerjeea_98 wrote:
here is my problem with the ques.......It is the "tiny quantities of gases" that produce the global warming....it shud || to quantities or some adj of CO2 and not CO2 or any action by CO2......what u guys think ?

I c .. and I think ur question is valid but my reasoning ... is that " Threaten A" I have never come such a structure in writing I might be wrong. but again it's just based on my opinion.

2nd reason: Rapid/Rapidly

I guess we should use Adverb rather than than an adjective because.............hmm .. I don't know ..again just goes by ear. but yeh I will look into the this rapid/rapidly.

Saurabh Malpani
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28 Apr 2005, 20:20
I have always been confused with this rapid/rapidly, seeming/seemingly thing

If some one has an explanation kindly share. I am in desperate need of that!
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28 Apr 2005, 20:29
banerjeea_98 wrote:
866. Tiny quantities of more than thirty rare gases, most of them industrial by-products, threaten to warm the Earthâ€™s atmosphere even more rapidly than carbon dioxide during the next fifty years.

(A) to warm the Earthâ€™s atmosphere even more rapidly than carbon dioxide during the next fifty years
(B) to warm the Earthâ€™s atmosphere even more rapidly over the next fifty years than carbon dioxide will
(C) during the next fifty years to warm the Earthâ€™s atmosphere even more rapidly than carbon dioxide
(D) a warming of the Earthâ€™s atmosphere during the next fifty years even more rapid than carbon dioxideâ€™s
(E) a warming of the Earthâ€™s atmosphere even more rapid than carbon dioxideâ€™s will be over the next fifty years

I think it compares 'Tiny quantities of more than thirty rare gases' with 'CO2'.
And 'next years' needs future tense.

Hence, I go with B.
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28 Apr 2005, 22:37
Removing the modifier marked out by comma from the non-underlined part of the sentence, we get:

We can't say:

'threaten during the next 50 yrs..' - unidiomatic. (C) is out.

'threaten a warming of the ... ' - unidoimatic. (D) and (E) are out.

"Tiny quantities of more than thirty rare gases threaten..."

(A) to warm the Earthâ€™s atmosphere even more rapidly than carbon dioxide during the next fifty years

(B) to warm the Earthâ€™s atmosphere even more rapidly over the next fifty years than carbon dioxide will

Between A and B, B is correct. It says C02 pollutes the earth's atmosphere faster than tiny quantities of gases can. The 'will' here in (B) is the key. "Over the next fifty yrs" is also a more idiomatic form of saying over the next 50 yr period, then A's choice of 'during the next 50 yrs'

B for me.
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29 Apr 2005, 02:54
'B' should be the right choice because of the 'will'. OA please.

A kind request to all those posting the questions, please post the answers also.
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02 May 2005, 06:12
OA is "B"
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21 Jun 2007, 11:37
saurabhmalpani wrote:
I have always been confused with this rapid/rapidly, seeming/seemingly thing

If some one has an explanation kindly share. I am in desperate need of that!

Easy.

This is the preferred and usual syntax.

beautifully magnificent mountains
seemingly unhappy person

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22 Jun 2007, 02:26
bmwhype2 wrote:
saurabhmalpani wrote:
I have always been confused with this rapid/rapidly, seeming/seemingly thing

If some one has an explanation kindly share. I am in desperate need of that!

Easy.

This is the preferred and usual syntax.

beautifully magnificent mountains
seemingly unhappy person

From OG 11:

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30 May 2011, 23:21
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Step 1:
2/3 split between options (A,B) and (C,D,E)

Step 2:
In option (A), comparison is between "to warm the Earthâ€™s atmosphere even more rapidly" and "carbon-dioxide". So, the comparison is wrong.

Option (B) provides the best comparison
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Re: Tiny quantities of more than thirty rare gases, most of them [#permalink]

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26 Feb 2015, 00:32
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Re: Tiny quantities of more than thirty rare gases, most of them   [#permalink] 26 Feb 2015, 00:32
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