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The number of acres destroyed by wildfires, which have become an ongoi

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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 07 Sep 2016, 08:01
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abhimahna wrote:
sidoknowia wrote:
I've started keeping error log of the questions that I solve. I noticed in SC, I answer questions related to 'number agreement' often Incorrectly.
Upon further analysis, I found I've difficulty finding the subject of sentence.

Example question where I struggled :

The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.

A. have become an ongoing threat due to drought and booming population density, have increased
B. have become an ongoing threat due to drought and booming population density, have been increasing
C. has become an ongoing threat because of drought and booming population density, has increased
D. have become an ongoing threat due to drought and booming population density, has increased
E. have become an ongoing threat because of drought and booming population density, has increased


what is the subject in above sentence, number of acres or wildfires.

Any suggestions or guidance would be most welcomed.


Simple Rule :

THE Number -- Always Singular

A Number -- Always Plural.

So, here

The number of -- will have HAS and Not HAVE

Also, Which 'have' is for wildfires. Hence , plural.

I hope that makes sense.



Thanks for replying :)
General rule for 'The number' and 'a number' is quite helpful, I'll try to remember that.

But I needed help in figuring out what subject is, the question I mentioned is just for example.
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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 07 Sep 2016, 08:12
Completely agree with abhimahna

Further to supplement the discussion go through this pdf - http://www.chompchomp.com/terms/subject.pdf

Also find time to read through this excellent article from GMAT CLub legend Narenn

subject-verb-agreement-pronouns-159965.html

Hope this helps !!
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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 09 Sep 2016, 22:43
You can go through Gmat grammar book

Please google :
ultimate gmat grammar book

It should clear your doubts about understanding subject of the sentence.


Best wishes
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The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 23 Jan 2017, 02:28
bhagwatpriyanka wrote:
The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.

A. have become an ongoing threat due to drought and booming population density, have increased
B. have become an ongoing threat due to drought and booming population density, have been increasing
C. has become an ongoing threat because of drought and booming population density, has increased
D. have become an ongoing threat due to drought and booming population density, has increased
E. have become an ongoing threat because of drought and booming population density, has increased


OFFICIAL EXPLANATION


A first glance at the answer choices indicates a choice between “have become" and “has become" at the start of the underline: plural vs. singular verbs. The end of the underline also has a have vs have issue with a different verb: “have increased” versus “has increased." While reading the original sentence for meaning, keep these differences in mind.

The subject of the original sentence is "the number of acres," which is singular. The main verb, however, is "have increased," which is plural. We need to find a choice that replaces "have" with "has." Moreover, the phrase "due to" is incorrect in this context. "Due to" is a phrase that must describe a noun. "The fire was due to drought" is correct, but "There was a fire due to drought" is not. When describing a verb phrase, "because of" is preferable: "There was a fire because of drought."

(A) This choice is incorrect as it repeats the original sentence.

(B) The plural verb "have been" does not agree with the singular subject "the number of acres." In addition, the phrase "due to drought . . ." is unidiomatic since "because of" (not "due to") should be used to modify the verb phrase "have become an ongoing threat."

(C) The modifier "which has become an ongoing threat . . ." contains the singular verb "has" which does not agree with the plural subject of the clause, "wildfires."

(D) The phrase "due to drought . . ." is unidiomatic since "because of" (not "due to") should be used to modify the verb phrase "have become an ongoing threat."

(E) CORRECT. The singular verb "has" agrees with the singular subject "the number of acres." Additionally, "because of drought . . ." is properly used to modify the verb phrase "have become an ongoing threat."
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Last edited by hazelnut on 04 Apr 2017, 05:53, edited 1 time in total.

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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 04 Apr 2017, 05:42
bhagwatpriyanka wrote:
The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.

A. have become an ongoing threat due to drought and booming population density, have increased
B. have become an ongoing threat due to drought and booming population density, have been increasing
C. has become an ongoing threat because of drought and booming population density, has increased
D. have become an ongoing threat due to drought and booming population density, has increased
E. have become an ongoing threat because of drought and booming population density, has increased


DmitryFarber & GMATNinja, Could you please help to explain "due to" and "because of" in this problem? Since "due to" must follow by a noun, therefore, D is probably the correct answer choice.
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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 04 Apr 2017, 06:09
E imo because I prefer because of rather than due to here. Caused y booming population density.... I don't think it sets here

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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 04 Apr 2017, 08:02
1. "The number of..." is singular and therefore we have to use "has". Thus, we can eliminate options A and B.
2. wildfires are plural and thus we can eliminate option C.
3. Replace "due to" by "caused by". The sentence doesn't make sense and therefore we can eliminate option D.


Thus, option E.

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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 04 Apr 2017, 09:24
The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.

A. have become an ongoing threat due to drought and booming population density, have increased
B. have become an ongoing threat due to drought and booming population density, have been increasing
C. has become an ongoing threat because of drought and booming population density, has increased
D. have become an ongoing threat due to drought and booming population density, has increased
E. have become an ongoing threat because of drought and booming population density, has increased

Lets do vertical split here

wildfires which have.... is correct So eliminate C first
Now The number of..... is always Singular SO A and B are out because of have increased

D and E are left
lets see the difference b/w due to and because of

Due to is never used to present reason for action in the clause.
For ex
It is cold in Arizona due to westward storm coming from pacific.
This sentence is incorrect because due to is used here to present the reason for action i.e Why it is cold in Arizona?
because of makes sense here

Similarly in the given sentence
Because of makes sense

E is the best

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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 14 May 2017, 01:56
‘due to’ is used to modify nouns only. ‘Because of’ is used to modify verbs.

https://e-gmat.com/blog/gmat-verbal/sen ... because-of

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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 14 May 2017, 02:07
ziyuen wrote:
bhagwatpriyanka wrote:
The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.

A. have become an ongoing threat due to drought and booming population density, have increased
B. have become an ongoing threat due to drought and booming population density, have been increasing
C. has become an ongoing threat because of drought and booming population density, has increased
D. have become an ongoing threat due to drought and booming population density, has increased
E. have become an ongoing threat because of drought and booming population density, has increased


DmitryFarber & GMATNinja, Could you please help to explain "due to" and "because of" in this problem? Since "due to" must follow by a noun, therefore, D is probably the correct answer choice.


No, "because of" is correct in here. Mike Magoosh has explained well in different post, but I dont remember it.

"due" is an adjective, so "due" must modify a noun. "because of" modifies a verb.

For example:
The camping was cancelled due to the rain. wrong
The camping was cancelled because of the rain. correct
The cancellation of the camping was due to the rain. correct
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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 18 Aug 2017, 13:05
bhagwatpriyanka wrote:
The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.

(A) have become an ongoing threat due to drought and booming population density, have increased

(B) have become an ongoing threat due to drought and booming population density, have been increasing

(C) has become an ongoing threat because of drought and booming population density, has increased

(D) have become an ongoing threat due to drought and booming population density, has increased

(E) have become an ongoing threat because of drought and booming population density, has increased


Wildfire = have
The Number of Acres= has

The modifier must have "have" and the clause after that must have "has" - interesting GMAT question and finally "because of" is the appropriate term.

E

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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 25 Sep 2017, 20:52
is "an ongoing threat" correctly referring to wildfires??

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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 26 Sep 2017, 02:39
bhagwatpriyanka wrote:
The number of acres destroyed by wildfires, which have become an ongoing threat due to drought and booming population density, have increased dramatically over the past several years, prompting major concern among local politicians.

(A) have become an ongoing threat due to drought and booming population density, have increased

(B) have become an ongoing threat due to drought and booming population density, have been increasing

(C) has become an ongoing threat because of drought and booming population density, has increased

(D) have become an ongoing threat due to drought and booming population density, has increased

(E) have become an ongoing threat because of drought and booming population density, has increased


" The number " needs HAS and not HAVE... so we are left with C, D and E,,,

due to is used to refer noun or can be tested by replacing CAUSED BY,,,,..

E is the best....

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Re: The number of acres destroyed by wildfires, which have become an ongoi [#permalink]

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New post 12 Oct 2017, 06:45
Thank you so much for helping a lot of students like me.

sayantanc2k wrote:
maipenrai wrote:
Another poor question/answer.

The answer should be D).
Due to clearly modifies the multiple noun "threats. We could as well replace "due to" with "caused by and the sentence is correct.

Please change the answer to (D).


The difference between due to and because of is as follows:

Due to is an adjective and needs a noun to refer to.
Because of is an adverb and needs a verb to refer to.

The game was stopped because of rain. Correct - because of referring to verb was stopped.
The stoppage was due to rain. Correct - due to referring to noun stoppage.
The game was stopped due to rain. wrong! - due to cannot refer to verb was stopped.

Similarly,

Wildfires have become threat due to drought. Wrong !... due to cannot refer to verb have become.
Wildfires have become threat because of drought. Correct - because of referring to verb have become.

Hence D is wrong. The OA given is correct.

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Re: The number of acres destroyed by wildfires, which have become an ongoi   [#permalink] 12 Oct 2017, 06:45

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