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On Earth, among the surest indications of sunspot cycles are believed

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Re: On Earth, among the surest indications of sunspot cycles are believed [#permalink]

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New post 28 Nov 2016, 08:48
Sources r GMAT Prep & Brutal SC
OA is E

E sounds more logical and correct than C.

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New post 12 Feb 2017, 23:13
hello expert ,
please explain the reasoning behind the correct as well as the wrong answers,

thanks

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New post 13 Feb 2017, 09:57
nks2611 wrote:
hello expert ,
please explain the reasoning behind the correct as well as the wrong answers,

thanks


A,B: Eliminate because plural verb "are" does not match with singular subject "rate".

D: No verb in the main clause

C and E are grammatically alright. But C expresses a wrong meaning: On earth, it is believed. "On earth" wrongly refers to "is believed". In E "on earth" correctly refers to "indications".

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Re: On Earth, among the surest indications of sunspot cycles are believed [#permalink]

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New post 15 Feb 2017, 05:14
T700ISB wrote:
Please shed some light on this problem. Unable to understand.


Have you read this explanation?
https://gmatclub.com/forum/on-earth-amo ... l#p1804631

You need to elaborate your query specifically, so that we may address it properly.

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Re: On Earth, among the surest indications of sunspot cycles are believed [#permalink]

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New post 20 Feb 2017, 04:06
Hello experts,

Option C is wrong because of [comma the rate at which trees grow is believed to be among the surest indications of sunspot cycles comma] construction?

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New post 21 Feb 2017, 11:21
ravi19012015 wrote:
Hello experts,

Option C is wrong because of [comma the rate at which trees grow is believed to be among the surest indications of sunspot cycles comma] construction?


In C, "on earth" is used as an adverbial modifier referring to the verb "is believed" (implying that on earth it is believed, but may not be on other planets).

Instead "on earth" must be used as a noun modifier referring to "indications".

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Re: On Earth, among the surest indications of sunspot cycles are believed [#permalink]

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New post 02 Apr 2017, 05:05
boeinz wrote:
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

A. On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow

B. On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth

C. On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles

D. Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate

E. Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow



This one is a real snotter …
The first thing to notice about this is the “flipped” part in “among the surest indications of sunspot cycles are believed to be the rate that trees grow”
So if you flip it …the revised version will be
“the rate that trees grow is believed to be among the surest indications of sunspot cycles”
Notice the verb “is” and are is NOT correct here ..

Also, the non-underlined portion says “as seen in the rings visible in the cross sections of their trunks “ notice “their” ..which means in the underlying portion “trees” is required

And hence option A, B & D is out straight… ….

We are left with C & E ..

If you see here …the non-underlined portion is modifying “the rate at which trees grow” ..and hence it is only logical to put its modifier next to it.
Hence, C is out …

E is the answer
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Beginning the sentences (A, B, C) with 'On Earth' means that the writer is an alien.

In A. B. C. 'On Earth' is an adverbial phrase that modifies 'verb' or 'whole sentence'
In D. E. 'On Earth' is an prepositional phrase that modifies 'among the surest indications'

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Hi all, here is my analysis.

On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

A. On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow

B. On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth

C. On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles

D. Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate

E. Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow

Reverse Construction:

_On the table there is one pen. This sentence is equivalent to:

_One pen is on the table.

Subject = one pen

Verb = is

Note that: The prepositional phrase = "on the table" CANNOT be the SUBJECT of the sentence.

The reverse construction is applied to A, B, C, & E.

_Prepositional phrase = [Among........] CANNOT be the Subject

_Subject = the rate

_Verb = is

Hence, A & B are out since Subject & Verb do not agree.

We are down to C, D, & E.

_D is a FRAGMENT because D has NO MAIN VERB.

Now, between C & E, which of of them is correct?

Lets observe the portion that is NOT underlined:

_[as seen in the rings.....]= a MODIFIER

_What does it modify?

_It modifies THE RATE.

_In (E) THE RATE is close to its MODIFIER = [as seen......], while in (C) those two are FAR AWAY from each other --> E is better than C, and thus E is the correct choice.

In addition, "On Earth" is moved around in C & E. Once gain, the same question: What does " On Earth" modify?

_It modifies "Indications".

_As seen in E, "On Earth" is right next to "Indications", whereas in C those two are FAR AWAY from each other. Once again, E is better than C.

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On Earth, among the surest indications of sunspot cycles are believed [#permalink]

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New post 08 Aug 2017, 05:25
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

(A) On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow
(B) On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth
(C) On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles
(D) Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate
(E) Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow

GMATNinja, Could you help with this question? Could you discuss the prepositional phrase in this case?
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New post 08 Aug 2017, 12:09
johnycute wrote:
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

(A) On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow
(B) On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth
(C) On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles
(D) Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate
(E) Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow


Imo E

The phrase should be the surest indication on earth hence A,B and C are out
D is a fragment
E is correct
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New post 08 Aug 2017, 21:19
Is this really a Gmat Prep question?

I am still not convinced about why C is not the answer.

Close call between C and E.

What exactly does "as seen in the rings" modify?- Sunspot cycles or rate at which trees grow?

In E isn't it modifying the "rate" at which trees grow, which is nonsensical IMO. Ugh I'm indeed confused !

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New post 12 Oct 2017, 15:19
Contenders C and E

C) On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles, as seen in the rings visible in the cross sections of their trunks.

Issue 1: Meaning

Essentially, in the first part of the sentence, On earth, <A> is believed to be <B>....,
which illogically implies that
On earth A is believed to be B, but somewhere else it could be C
the true meaning intended is: Surest indication of <something> on earth is believed to be <something>....

Issue 2: Modifier touch rule

"...sunspot cycles, as seen..."
Sunspot cycles, cannot be seen in trees.

For both of these issues, C is OUT

(E) Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow, as seen in the rings visible in the cross sections of their trunks.

It is implying the true meaning
Among the surest indications on Earth of <something> is believed to be <something>
Modifier - as seen - is touching the correct noun - the rate at which trees grow

E is Correct




johnycute wrote:
[u]On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

(A) On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow
(B) On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth
(C) On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles
(D) Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate
(E) Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow

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Re: On Earth, among the surest indications of sunspot cycles are believed [#permalink]

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New post 13 Oct 2017, 05:23
T700ISB wrote:
Is this really a Gmat Prep question?

I am still not convinced about why C is not the answer.

Close call between C and E.

What exactly does "as seen in the rings" modify?- Sunspot cycles or rate at which trees grow?

In E isn't it modifying the "rate" at which trees grow, which is nonsensical IMO. Ugh I'm indeed confused !


Your query 1:
The following post explains why C is incorrect:
https://gmatclub.com/forum/on-earth-amo ... l#p1808827

Your query 2:
The part "as seen in the rings" modifies neither "sunspot cycles" nor "rate at which trees grow" - it is a prepositional phrase referring to the entire previous clause (recollect the use of comma + present participle - comma +prepositional phrases can also be used in the same way, i.e., to refer to an entire previous clause.)

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Re: On Earth, among the surest indications of sunspot cycles are believed   [#permalink] 13 Oct 2017, 05:23

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