Heightened land erosion, caused by human activity, has many : GMAT Sentence Correction (SC) - Page 2
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# Heightened land erosion, caused by human activity, has many

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30 Jan 2012, 12:18
the same question exists in this forum
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04 Jun 2012, 07:22
Guys, OA is A. This sentence is correct as is because all of the items in the list are parallel form. Each of the items is a noun that names a harmful effect of land erosion. The construction of the list is also correct. The noun following, which immediately precedes the list, correctly renames the items in the series.
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29 Jul 2013, 08:17
To anyone still looking for the answer to this problem, it is A.

All sentences must have at least one independent clause (meaning a part of the sentence that is grammatically complete). If you take out the words "the following", then no part of the sentence is complete; you are left with a fragment in the first part and a list in the second.

In B and D, the word "entering" is incorrectly used. To correctly use "entering", the sentence would have to say "the entering of...", but then the meaning would be slightly changed from "the introduction of". If you're having trouble understanding what I mean, try replacing "the introduction of" with "introducing"; it does not work. If "introducing" doesn't work, why should "entering"?

One huge tip for the SC: be careful when using -ing words. They are only verbs when used along with some conjugation of "to be" -- otherwise, they are either a noun or an adjective. It would be incorrect to say, "I like to listen to music while studying". Ask yourself: in this sentence, who is studying? The answer is no one; the sentence is illogical. The correct way (especially in the GMAT) is to say, "I like to listen to music while I am studying". Now who is studying? I am.
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Re: Heightened land erosion, caused by human activity, has many [#permalink]

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29 Aug 2014, 11:12
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Heightened land erosion, caused by human activity, has many [#permalink]

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29 Sep 2015, 10:31
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
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Re: Heightened land erosion, caused by human activity, has many [#permalink]

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30 Sep 2015, 01:12
My POE,

we need the 'the introduction of harmful chemical' Hence B and D are out.

Among A, C and E.

C is out because.., (Before the colon, the sentence should be standing on it own- deviates this law)

So remaining A and E.

E is out because the wording 'certain fish population rising' and the wording should be the imbalance in fish population.

Remains A.

AnkitK wrote:
Heightened land erosion, caused by human activity, has many negative effects including the following: algae blooms, coral reef destruction, imbalance of the fish population, and the introduction of harmful chemicals to the ocean's environment.
A) including the following: algae blooms, coral reef destruction, imbalance of the fish population, and the introduction of harmful chemicals to the ocean's environment.
B) including: algae blooms, coral reef destruction, imbalance of the fish population, and harmful chemicals entering the ocean's environment.
C) including: algae blooms, coral reef destruction, imbalance of the fish population, and the introduction of harmful chemicals to the ocean's environment.
D) including the following: algae blooms, coral reef destruction, imbalance of the fish population, and harmful chemicals entering the ocean’s environment.
E) including the following: algae blooms, coral reef destruction, certain fish populations rising, certain fish populations falling, and the introduction of harmful chemicals to the ocean’s environment.

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08 Dec 2015, 16:37
Can someone explain why entering is wrong in D. Much appreciated
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Re: Heightened land erosion, caused by human activity, has many [#permalink]

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08 Dec 2015, 20:42
kongaharsha
Here, ‘harmful chemicals entering’ is not a gerund (noun) as many would tend to call. It is a present participle. It is unparallel to other nouns mentioned in the list. If you want to use entering as a gerund, you must say, ‘the harmful chemicals’ entering’, or 'the entering of harmful chemicals', both of which are just not elegant. When you have a better alternative in the form of a normal noun, such as 'the introduction', it is unstylistic to use ‘entering’. After all, the chemicals cannot enter by themselves unless somebody does the entering.
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Re: Heightened land erosion, caused by human activity, has many   [#permalink] 08 Dec 2015, 20:42

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