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# Methane, which has long been counted among the greenhouse gases that

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Math Expert
Joined: 02 Sep 2009
Posts: 62353
Methane, which has long been counted among the greenhouse gases that  [#permalink]

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11 Nov 2019, 04:00
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Difficulty:

25% (medium)

Question Stats:

75% (01:09) correct 25% (01:28) wrong based on 95 sessions

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Methane, which has long been counted among the greenhouse gases that are implicated in global warming, comes both from natural sources such as bogs and from a host of human sources, including coal mines, leaking pipelines, landfills, and rice paddies.

A. that are implicated in global warming, comes both from

B. that are implicated in global warming, coming from both

C. being implicated in global warming, comes from both

D. implicated in global warming and coming both from

E. implicated in global warming, that come both from

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Joined: 21 Jun 2013
Posts: 32
Re: Methane, which has long been counted among the greenhouse gases that  [#permalink]

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11 Nov 2019, 04:09
IMO - A

SV error in B, D & E
That modifier looks better and correct compared to Being in option C

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Joined: 22 Jun 2018
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Concentration: Technology, Entrepreneurship
GMAT 1: 600 Q44 V28
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Re: Methane, which has long been counted among the greenhouse gases that  [#permalink]

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11 Nov 2019, 04:38
Methane, which has long been counted among the greenhouse gases that are implicated in global warming, comes both from natural sources such as bogs and from a host of human sources, including coal mines, leaking pipelines, landfills, and rice paddies.

The parallelism is maintained in option A; there are no other issues.

A. that are implicated in global warming, comes both from

B. that are implicated in global warming, coming from both - the working verb is absent for the subject Methane

C. being implicated in global warming, comes from both - (1) "being" can be used for modification if it implies some temporary state; not the case here. (2) Another error is broken parallelism in idiom both X and Y: "from both X and from Y" does not work: "from" can be used either once outside or twice inside.

D. implicated in global warming and coming both from - same as in (B): lack of working verb

E. implicated in global warming, that come both from - same as in (B) and (D)
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Re: Methane, which has long been counted among the greenhouse gases that  [#permalink]

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11 Nov 2019, 04:40
A. that are implicated in global warming, comes both from
comes from both A and B or comes both from A and from B
The usage of 'from' before "...host of human resources..." seems to make A the answer, IMO.

B. that are implicated in global warming, coming from both
Same reason as stated in A.

C. being implicated in global warming, comes from both
being - temporary usage, doesn't fit the meaning?

D. implicated in global warming and coming both from
coming both from A and B, ____ (the remaining part is missing). Structure and meaning fails here?

E. implicated in global warming, that come both from
Changes the intended meaning --> global warming does not come from natural sources and human sources... greenhouse gases do.

Experts/experienced folks please comment whether the other options are incorrect for reasons other than those stated above.
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Re: Methane, which has long been counted among the greenhouse gases that  [#permalink]

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11 Nov 2019, 04:49
According to me A is correct...

structure : Methane , ......(description).... , comes both from X ..... and from Y

option B)
Methane , .......... , coming from both...
Basically it says : "Methane coming from both X and Y" (no verb here) hence wrong

option C)
"comes from Both X and Y " looks correct but the non underlined part contains "from" before "host of natural resources"(which was Y part) Therefore our X part should contain "from"
initial part "being implicated" sounds like it is implicated purposefully , hence wrong

option D)
similar error like B .... No verb

option E) looks like Methane ,...................., that come from...
firstly Methane ->singular->"comes from"
& "that" not required here
Re: Methane, which has long been counted among the greenhouse gases that   [#permalink] 11 Nov 2019, 04:49
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