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# Scientists have identified an asteroid, 2000 BF19

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Scientists have identified an asteroid, 2000 BF19 [#permalink]

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03 Feb 2009, 04:13
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Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and, if it strikes Earth, it can do tremendous damage to part of the planet but probably not cause planet-wide destruction.

A. and, if it strikes Earth, it can do tremendous damage to part of the planet but
B. and, if it would strike Earth, part of the planet could experience a tremendous amount of damage but it would
C. and that, if it were to strike Earth, could do tremendous damage to part of the planet but would
D. and that, if Earth is struck by it, can do part of the planet tremendous damage, but it would
E. and that, if it strikes Earth, it could experience a tremendous amount of damage but

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[Reveal] Spoiler: OA
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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03 Feb 2009, 04:37
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IMO,

It's a question on parallelism. ' That' has to be repeated in the second part of the sentence( that is.........'and that' is.....).

A, B are out. E changes the meaning and usage of 'it' is ambiguous. D is awkard and is also in the past tense

I'll go with C

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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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03 Feb 2009, 22:33
C looks more meaningfull.................
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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04 Feb 2009, 02:08
But in C, isnt the use of 'that' and 'it' redundant? both are referring to asteroid!
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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04 Feb 2009, 02:37
ritula wrote:
But in C, isnt the use of 'that' and 'it' redundant? both are referring to asteroid!

"it were to strike earth" is a modifier clause to "that". Hence, the use of "it" is ok.
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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04 Feb 2009, 08:13
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scthakur wrote:
ritula wrote:
But in C, isnt the use of 'that' and 'it' redundant? both are referring to asteroid!

"it were to strike earth" is a modifier clause to "that". Hence, the use of "it" is ok.

Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and that,< if it were to strike Earth>, could do tremendous damage to part of the planet but would probably not cause planetwide destruction

remove the sentence between commas and read.. then C makes sense.

that is about half a mile wide and that could do tremendous..

that is necessary to maintain parallelism and correct usage.

if it were to strike Earth , that would probably not cause planet wide destruction --> correctly describes the hypothetical situtation.

"if it were to strike Earth" --> i don't see the best way to rewrite this statement without using "it". If you can try it

and, if it strikes Earth, it can do tremendous damage to part of the planet but

I agree that in E .. "it" after comma is redundant.
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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04 Feb 2009, 09:26
yes thats exactly wht I was confused abt. But now u explained so well dat its clear now. thanks a lot
+1 again
x2suresh wrote:
scthakur wrote:
ritula wrote:
But in C, isnt the use of 'that' and 'it' redundant? both are referring to asteroid!

"it were to strike earth" is a modifier clause to "that". Hence, the use of "it" is ok.

Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and that,< if it were to strike Earth>, could do tremendous damage to part of the planet but would probably not cause planetwide destruction

remove the sentence between commas and read.. then C makes sense.

that is about half a mile wide and that could do tremendous..

that is necessary to maintain parallelism and correct usage.

if it were to strike Earth , that would probably not cause planet wide destruction --> correctly describes the hypothetical situtation.

"if it were to strike Earth" --> i don't see the best way to rewrite this statement without using "it". If you can try it

and, if it strikes Earth, it can do tremendous damage to part of the planet but

I agree that in E .. "it" after comma is redundant.
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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21 Sep 2009, 21:16
My problem with C is, that it is missing the word "it" before "could". Try reading it with skipping the middle clause: "... and that could do tremendous damage". Please explain.
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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16 Dec 2010, 17:14
a great take away point that x2suresh mentioned is to remove commas from the sentence and see which option makes the sentence more appealing.
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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16 Dec 2010, 22:49
@ ritula and x2Suresh

IMO

E changes the meaning - Its the asteroid that may cause damage on earth. The possessive it used before earth and after earth in E is ambiguous and doesn't have a clear noun reference (Earth or Asteroid).

Where as C is not only parallel, but also uses subjunctive form (if it were...X...It Would..Y) to signify - the probability of it not causing planet wise destruction.

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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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18 Dec 2011, 10:34
why a is wrong? pls help
I see nothing wrong with

The scientists identified the star and it can damage the earth

why A is wrong.

though C look more parallel
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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22 Dec 2011, 10:35
Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and, if it strikes Earth, it can do tremendous damage to part of the planet but probably not cause planetwide destruction.
A. and, if it strikes Earth, it can do tremendous damage to part of the planet but
B. and, if it would strike Earth, part of the planet could experience a tremendous amount of damage but it would
C. and that, if it were to strike Earth, could do tremendous damage to part of the planet but would
D. and that, if Earth is struck by it, can do part of the planet tremendous damage, but it would
E. and that, if it strikes Earth, it could experience a tremendous amount of damage but

This a conditional sentence Such as I wish I were a bird [but i am not a bird], thus it were strike the earth [But did not strike], could and would for conditional sentence.
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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08 Oct 2013, 00:51
I think, as far as parallelism is concerned, both "that" should have the same function. But here, first "that" is referring to the asteroid and the second "that" is a relative pronoun that starts a clause.
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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08 Oct 2013, 01:12
agourav wrote:
I think, as far as parallelism is concerned, both "that" should have the same function. But here, first "that" is referring to the asteroid and the second "that" is a relative pronoun that starts a clause.

second THAT is used because of parallelism but this is also refering to ASTEROID.
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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29 Jan 2014, 09:17
ritula wrote:

I'm going with C on this one for parallelism with THAT and conciseness and clarity.

Would anybody confirm the OA is C please?:

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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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25 Oct 2015, 05:53
one of topic gmat test us many time is paralelism.

in a long sentence there are many clause, the end part "and +clause" is important to us because is can be paralel to any previous clause.

whenever we see "and+clause" we have to justify which previous clause should this clause paralel to. this is logic and meaning analysis.
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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13 Dec 2016, 07:15
Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and, if it strikes Earth, it can do tremendous damage to part of the planet but probably not cause planetwide destruction.
underlined part is in present ,we use can
could is used with past tense
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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13 Dec 2016, 07:16
Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and, if it strikes Earth, it can do tremendous damage to part of the planet but probably not cause planetwide destruction.
underlined part is in present ,therefore we use can
could is used with past tense
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Re: Scientists have identified an asteroid, 2000 BF19 [#permalink]

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13 Dec 2016, 07:26
I would go with C. Correct use of conditional tense in were, could, would.

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Re: Scientists have identified an asteroid, 2000 BF19   [#permalink] 13 Dec 2016, 07:26

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