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# Tiny quantities of more than thirty rare gases, most of them

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

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13 Sep 2007, 16:03
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71% (01:38) correct 29% (01:19) wrong based on 21 sessions

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Tiny quantities of more than thirty rare gases, most of them industrial by-products, threaten to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years.
(A) to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years
(B) to warm the Earth’s atmosphere even more rapidly over the next fifty years than carbon dioxide will
(C) during the next fifty years to warm the Earth’s atmosphere even more rapidly than carbon dioxide
(D) a warming of the Earth’s atmosphere during the next fifty years even more rapid than carbon dioxide’s
(E) a warming of the Earth’s atmosphere even more rapid than carbon dioxide’s will be over the next fifty years

What is wrong with A?
If you have any questions
New!
Manager
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14 Sep 2007, 01:48
1
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I agree - the key word is will.

As A stands, it could mean that these gases will warm the atmosphere even more than they warm carbon dioxide, over the next 50 years.
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15 Sep 2007, 20:59
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KUDOS
Parbe wrote:
Tiny quantities of more than thirty rare gases, most of them industrial by-products, threaten to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years.
(A) to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years
(B) to warm the Earth’s atmosphere even more rapidly over the next fifty years than carbon dioxide will
(C) during the next fifty years to warm the Earth’s atmosphere even more rapidly than carbon dioxide
(D) a warming of the Earth’s atmosphere during the next fifty years even more rapid than carbon dioxide’s
(E) a warming of the Earth’s atmosphere even more rapid than carbon dioxide’s will be over the next fifty years

What is wrong with A?

B: if you have a MGMAT SC guide this looks very similar to Chap 5, modifiers page 75.

The group arrived in New Orleans and decided to stay in a fancy hotel a week before Mardi Gras...

Should be written as

The group arrived in New Orleans a week before Mardi Gras and decided to stay in a fancy hotel.

The second one is correct b/c the modifier "a week before..." describes when the group arrived.

In your sentence, A the modifier "during the next fifty years" should be placed closest to what it is trying to modify.

We are comparing events.
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13 Sep 2007, 16:13
B. because it makes the sentence clear on what it is trying to say. "during the next 15 years" is unidiomatic compare to " over the next 15 years"
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13 Sep 2007, 17:57
Parbe wrote:
Tiny quantities of more than thirty rare gases, most of them industrial by-products, threaten to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years.
(A) to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years
(B) to warm the Earth’s atmosphere even more rapidly over the next fifty years than carbon dioxide will
(C) during the next fifty years to warm the Earth’s atmosphere even more rapidly than carbon dioxide
(D) a warming of the Earth’s atmosphere during the next fifty years even more rapid than carbon dioxide’s
(E) a warming of the Earth’s atmosphere even more rapid than carbon dioxide’s will be over the next fifty years

What is wrong with A?

had it down to A and B. A is wrong because of the incorrect use of "during"
VP
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14 Sep 2007, 08:58
Raffie wrote:
I agree - the key word is will.

As A stands, it could mean that these gases will warm the atmosphere even more than they warm carbon dioxide, over the next 50 years.

Actually, as A stands - it's illogical - because an adverb (rapidly) is compared with a noun (carbon dioxide).
Manager
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14 Sep 2007, 09:17
Tiny quantities of more than thirty rare gases, most of them industrial by-products, threaten to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years.
(A) to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years

Look at the positioning of " than " you are comparing ..warming of the earth's atmosphere to carbondioxide
(B) to warm the Earth’s atmosphere even more rapidly over the next fifty years than carbon dioxide will

Here we are comparing an event caused by the rare gases to the even that will be caused by Carbondioxide

(C) during the next fifty years to warm the Earth’s atmosphere even more rapidly than carbon dioxide
(D) a warming of the Earth’s atmosphere during the next fifty years even more rapid than carbon dioxide’s
(E) a warming of the Earth’s atmosphere even more rapid than carbon dioxide’s will be over the next fifty years

to warm . ..seems corret so option B
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14 Sep 2007, 09:53
Tiny quantities of more than thirty rare gases, most of them industrial by-products, threaten to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years.
(A) to warm the Earth’s atmosphere even more rapidly than carbon dioxide during the next fifty years (improper pacement of modifier)
(B) to warm the Earth’s atmosphere even more rapidly over the next fifty years than carbon dioxide will (OK)
(C) during the next fifty years to warm the Earth’s atmosphere even more rapidly than carbon dioxide (The same as A)
(D) a warming of the Earth’s atmosphere during the next fifty years even more rapid than carbon dioxide’s (threaten a warming => it could have been great if had been so)
(E) a warming of the Earth’s atmosphere even more rapid than carbon dioxide’s will be over the next fifty years (threaten a warming => it could have been great if had been so)
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15 Sep 2007, 10:34
B. Clear comparision between oter gases and carbon dioxide.

The key is reading "carbonn dioxide will".
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Re: Tiny quantities of more than thirty rare gases, most of them [#permalink]

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13 Nov 2014, 03:59
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Tiny quantities of more than thirty rare gases, most of them   [#permalink] 13 Nov 2014, 03:59
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