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Difficulty:
45%
(medium)
Question Stats:
62% (01:32) correct
38%
(01:49)
wrong
based on 1550
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History
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Not Attempted Yet
Gas hydrates, chemical compounds of water and natural gas, are increasingly being studied for their potential to be huge reservoirs of energy, possibly causing sea floor instability, and significant contributors to global warming.
A. to be huge reservoirs of energy, possibly causing sea floor instability, and
B. to be huge reservoirs of energy, possibly causing sea floor instability, and even as
C. as huge reservoirs of energy, possibly causing sea floor instability, and
D. as huge reservoirs of energy, and the possible cause of sea floor instability,
E. as huge reservoirs of energy, as possible causes of sea floor instability, and even as
A. to be huge reservoirs of energy, possibly causing sea floor instability, and
B. to be huge reservoirs of energy, possibly causing sea floor instability, and even as
C. as huge reservoirs of energy, possibly causing sea floor instability, and
D. as huge reservoirs of energy, and the possible cause of sea floor instability,
E. as huge reservoirs of energy, as possible causes of sea floor instability, and even as
03 Jul 2010, 10:05
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Hey All,
I get asked by PM to take this one on, so here I am. How goes it?
Gas hydrates, chemical compounds of water and natural gas, are increasingly being studied for their potential to be huge reservoirs of energy, possibly causing sea floor instability, and significant contributors to global warming.
This question is about parallelism versus modifiers. We don't really want any modifiers here, so we have to get rid of answer choices that try to spin it that way.
A. to be huge reservoirs of energy, possibly causing sea floor instability, and
PROBLEM: Commas set off lists or modifiers. If it's a list, it's already unparallel (to be huge, causing, significant are not parallel). Modifier doesn't make sense either, however, as "causing" would be modifying the previous clauses. The fact that the hydrates may be reservoirs of energy is not causing sea floor instability, so that's out.
B. to be huge reservoirs of energy, possibly causing sea floor instability, and even as
PROBLEM: Same as above on every level.
C. as huge reservoirs of energy, possibly causing sea floor instability, and
PROBLEM: Same as above.
D. as huge reservoirs of energy, and the possible cause of sea floor instability,
PROBLEM: You only use COMMA followed by "and" at the end of a list of more than three things, not just two. Also, now the final section has become an appositive modifier. This is because the list MUST have ended after the "and", so the comma must be setting off a modifier. Because it's just a noun at the end, it could only be a noun modifying a noun ("Thomas Jefferson, our nation's third president, was awesome."). Obviously, the "instability" is not a "significant contributor to global warming"
E. as huge reservoirs of energy, as possible causes of sea floor instability, and even as
ANSWER: Look at the lovely parallelism "as, as, as", plus it finally makes sense!
Hope that helps!
-t
I get asked by PM to take this one on, so here I am. How goes it?
Gas hydrates, chemical compounds of water and natural gas, are increasingly being studied for their potential to be huge reservoirs of energy, possibly causing sea floor instability, and significant contributors to global warming.
This question is about parallelism versus modifiers. We don't really want any modifiers here, so we have to get rid of answer choices that try to spin it that way.
A. to be huge reservoirs of energy, possibly causing sea floor instability, and
PROBLEM: Commas set off lists or modifiers. If it's a list, it's already unparallel (to be huge, causing, significant are not parallel). Modifier doesn't make sense either, however, as "causing" would be modifying the previous clauses. The fact that the hydrates may be reservoirs of energy is not causing sea floor instability, so that's out.
B. to be huge reservoirs of energy, possibly causing sea floor instability, and even as
PROBLEM: Same as above on every level.
C. as huge reservoirs of energy, possibly causing sea floor instability, and
PROBLEM: Same as above.
D. as huge reservoirs of energy, and the possible cause of sea floor instability,
PROBLEM: You only use COMMA followed by "and" at the end of a list of more than three things, not just two. Also, now the final section has become an appositive modifier. This is because the list MUST have ended after the "and", so the comma must be setting off a modifier. Because it's just a noun at the end, it could only be a noun modifying a noun ("Thomas Jefferson, our nation's third president, was awesome."). Obviously, the "instability" is not a "significant contributor to global warming"
E. as huge reservoirs of energy, as possible causes of sea floor instability, and even as
ANSWER: Look at the lovely parallelism "as, as, as", plus it finally makes sense!
Hope that helps!
-t
10 Sep 2012, 08:08
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Bookmarks
Very interesting.
Point 1. Let me give a different dimension of //ism. How many things are the Gas Hydrates have the potential to be or pote4ntial as? Only two and not three as D and E point out: 1. Potential to be huge gas reservoirs and 2. Significant contributors. The intervening participial phrase ‘possibly causing sea instability’ is an adverbial modifier that modifies the previous clause in its entirety. It is therefore not essential to see what it modifies. So in my opinon, D and E are droppable in as much as they point out to three things as the GHs have the potential for while the text means only two factors.
Pont 2. Between to be and as. ‘Potential to be’ IMO, is kind of speculation. Something has the potential to be, but it is not exploited as of now. For all that the potential may even turn negative. On the contrary, ‘potential as’ is something that is confirmed. But the original note borders more on speculation considering them to potentials to be; and one of these factors is even a possible cause for some instability. That is the reason we have to drop C, D and E. In A and B. apparently, the intervening modifier looks inelegantly placed, but still is passable. In B, the addition of ‘even as’ is unnecessary and changes the meaning of the original text. So B is gone. A looks the best bet IMO.
My kudo to the original poster of this thread.
Point 1. Let me give a different dimension of //ism. How many things are the Gas Hydrates have the potential to be or pote4ntial as? Only two and not three as D and E point out: 1. Potential to be huge gas reservoirs and 2. Significant contributors. The intervening participial phrase ‘possibly causing sea instability’ is an adverbial modifier that modifies the previous clause in its entirety. It is therefore not essential to see what it modifies. So in my opinon, D and E are droppable in as much as they point out to three things as the GHs have the potential for while the text means only two factors.
Pont 2. Between to be and as. ‘Potential to be’ IMO, is kind of speculation. Something has the potential to be, but it is not exploited as of now. For all that the potential may even turn negative. On the contrary, ‘potential as’ is something that is confirmed. But the original note borders more on speculation considering them to potentials to be; and one of these factors is even a possible cause for some instability. That is the reason we have to drop C, D and E. In A and B. apparently, the intervening modifier looks inelegantly placed, but still is passable. In B, the addition of ‘even as’ is unnecessary and changes the meaning of the original text. So B is gone. A looks the best bet IMO.
My kudo to the original poster of this thread.
. instability, significant contributors to global warming. Thanks for pointing that out. 
