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# The yield of natural gas from Norway's Troil gas field is

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The yield of natural gas from Norway's Troil gas field is [#permalink]

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02 Oct 2005, 18:53
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The yield of natural gas from Norway's Troil gas field is expected to increase annually until the year 2005 and then to stabillize at six billion cubic fet a day, which will allow such an extraction rate at least for 50 years' prduction.

A. 2005 and then to stabilize at six billion cubic feet a day, which will allow such an extraction rate at least for.

B. 2005 and then to stabilize at six billion cubic feet a day, an extraction rate that will allow at least.

C. 2005 and then stabilizing at six billion cubic feet a day, with such an extraction rate at the least allowing.

D. 2005, then stabilizing at six billion cubic feet a day, allowing such an extraction rate for at least.

E. 2005, then stabilizing at six billion cubic feet a day, which will allow such an extraction rate for at least.

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Re: The yield of natural gas from Norway's Troil gas field is [#permalink]

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27 Dec 2013, 09:18
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IMO B,
The yield is supposed to increase and to stabilize. Hence C, D, and E are gone.
Out of A and B, "which" in A is incorrectly referring to day.

B wins..
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Re: The yield of natural gas from Norway's Troil gas field is [#permalink]

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16 Jan 2014, 04:07
In the question:
The yield of natural gas from Norway’s Troil gas field is expected to increase annually until the year 2005 and then to stabilize at six billion cubic feet a day, which will allow such an extraction rate at least for 50 years’ production.

The Subject is Yield.
The yield is expected to X and Expected to Y. This is because the connector and connects to independent thoughts.
the yield is expected to increase and to stabilise(parallelism) at something.
Which will allow is wrong,as it fails to modify the extraction rate.
In answer B ,the extraction rate correctly modifies the billion cubic feet a day

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Re: The yield of natural gas from Norway's Troil gas field is [#permalink]

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02 Sep 2015, 05:08
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Re: The yield of natural gas from Norway's Troil gas field is [#permalink]

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03 Aug 2016, 13:35
The yield of natural gas from Norway's Troil gas field is expected to increase annually until the year 2005 and then to stabilize at six billion cubic feet a day, which will allow such an extraction rate at least for 50 years' production.

A. 2005 and then to stabilize at six billion cubic feet a day, which will allow such an extraction rate at least for.
B. 2005 and then to stabilize at six billion cubic feet a day, an extraction rate that will allow at least.
C. 2005 and then stabilizing at six billion cubic feet a day, with such an extraction rate at the least allowing.
D. 2005, then stabilizing at six billion cubic feet a day, allowing such an extraction rate for at least.
E. 2005, then stabilizing at six billion cubic feet a day, which will allow such an extraction rate for at least.

Here is the notes that I got from Thursday's with Ron session on March, 26 2015 The use of AND

See the video from 49:00 to 01:03:00 below

======================
Comma + __ING
======================

I dropped the bags onto the floor, scaring the dogs
1. comma + verb+ing : Same time frame as the main action. (dogs got scared when bags are dropped)
2. Comma + __ING Must describe the main action in some way
. Immediate, simultaneous consequence
. Further description
. Subordinate action
3. The main action should describe directly
. Of the people/things in the sentence, the SUBJECT should be most directly responsible for '__ING' action

CORRECT: Colin was struck by a bus, dying instantly (same time frame as main action)
NOT CORRECT: Colin was struck by a bus, dying in the hospital an hour later (DIFFERENT TIME FRAME, Cannot use comma + __ING)

Analysis:
- The point of ",__ING" is it has to be contemporaneous(in same time frame) of preceding clause
- Option (D) and (E) ", then stabilizing" is wrong
- Option (C) does not have parallel structure ".. to increase ... and then stabilizing"
- Option (A) and (B) has parallel structure ".. to increase ... and then to stabilize"
- Option (A) - "which will allow such an extraction" gives wrong meaning..

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The yield of natural gas from Norway's Troil gas field is [#permalink]

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18 Jul 2017, 22:19
The original sentence uses the idiom to X and then to Y correctly
The yield of natural gas from Norway's Troil gas field is expected to increase annually until the year 2005 and then to stabillize at six billion cubic fet a day, which will allow such an extraction rate at least for 50 years' prduction.

Eliminate C,D and E

Next, notice the phrase 'which will allow such an extraction rate at least for' is a non-restrictive clause modifying 'six billion cubic feet'. The phrase is very verbose and nonsensical. Hence incorrect.
Eliminate A
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Re: The yield of natural gas from Norway's Troil gas field is [#permalink]

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08 Aug 2017, 13:09
The sentence is about predictions that Troll gas field's yield would increase until it stabilized at a particular extraction rate in 2005. The term extraction rate refers to six billion cubic feet a day, so it is redundant and confusingly circular to rename six billion cubic feet with the relative pronoun which in the subject position and then reintroduce extraction rate as the object

A The relative phrase beginning with which is nonsensical, since the pronoun reference is inaccurate, and the phrase essentially says that the extraction rate enables the extraction rate. "which" refers to "day", and "a day will allow such an extraction rate" is not correct

B Correct. The infinitive to stabilize parallels to increase; information about the six billion cubic feet a day is expressed clearly and concisely in an appositive phrase containing a relative clause (an extraction rate that will allow ... ).

C The phrasing is awkward and unclear; stabilizing is an incorrect verb form; it should be an infinitive to parallel to increase. Also "with such an extraction rate" is not the right idiom

D Stabilizing is an incorrect verb form; it should be an infinitive to parallel to increase the subsequent phrase is awkward and confusing because it is not clear what noun allowing is supposed to modify. "allowing such an extraction rate" is not the right idiom

E Stabilizing violates the requirement of parallelism, and which introduces a nonsensical redundancy, effectively making the claim that the extraction rate (six billion cubic feet) enables the extraction rate.
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Re: The yield of natural gas from Norway's Troil gas field is   [#permalink] 08 Aug 2017, 13:09

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