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Antarctica receives more solar radiation than does any other

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Antarctica receives more solar radiation than does any other [#permalink] New post 09 Aug 2008, 07:40
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Antarctica receives more solar radiation than does any other place on Earth, yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise, the water levels of the oceans would rise 250 feet and engulf most of the world’s great cities.

A. is reflective, so that little polar ice melts during the summer; otherwise,
B. is so reflective that little of the polar ice melts during the summer; were it to do so,
C. so reflective that little polar ice melts during the summer, or else
D. reflective, so that little of the polar ice melts during the summer, or
E. reflects so that little of the polar ice melts during the summer; if it did













Guys, I chose C, but I really don't understand why the OA is B. Whenever you have "and", you're connecting either 2 phrases or 2 clauses, which require a comma before "and."; However, since we don't have a comma before "and", we obviously don't want to connect 2 clauses, which means having both a subject and a verb, because that would create a run-on sentence. When you look at what B does:

yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise,


The reason I liked option C is that "is" is removed, making the sentence after "and" a phrase and doesn't change the fact that "is" is implied:

yet the temperatures are so cold and the ice cap (is) so reflective that little polar ice melts during the summer, or else


can someone explain why B is correct and how come we don't have a run-on sentence after "and" in option B??
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Re: SC: Antarctica [#permalink] New post 09 Aug 2008, 08:00
tarek99 wrote:
Antarctica receives more solar radiation than does any other place on Earth, yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise, the water levels of the oceans would rise 250 feet and engulf most of the world’s great cities.

A. is reflective, so that little polar ice melts during the summer; otherwise,
B. is so reflective that little of the polar ice melts during the summer; were it to do so,
C. so reflective that little polar ice melts during the summer, or else
D. reflective, so that little of the polar ice melts during the summer, or
E. reflects so that little of the polar ice melts during the summer; if it did

Guys, I chose C, but I really don't understand why the OA is B. Whenever you have "and", you're connecting either 2 phrases or 2 clauses, which require a comma before "and."; However, since we don't have a comma before "and", we obviously don't want to connect 2 clauses, which means having both a subject and a verb, because that would create a run-on sentence. When you look at what B does:

yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise,


The reason I liked option C is that "is" is removed, making the sentence after "and" a phrase and doesn't change the fact that "is" is implied:

yet the temperatures are so cold and the ice cap (is) so reflective that little polar ice melts during the summer, or else


can someone explain why B is correct and how come we don't have a run-on sentence after "and" in option B??



B for llism: "temperatures are so cold and the ice cap is so reflective"
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Re: SC: Antarctica [#permalink] New post 09 Aug 2008, 08:05
tarek99 wrote:
Antarctica receives more solar radiation than does any other place on Earth, yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise, the water levels of the oceans would rise 250 feet and engulf most of the world’s great cities.

A. is reflective, so that little polar ice melts during the summer; otherwise,
B. is so reflective that little of the polar ice melts during the summer; were it to do so,
C. so reflective that little polar ice melts during the summer, or else
D. reflective, so that little of the polar ice melts during the summer, or
E. reflects so that little of the polar ice melts during the summer; if it did













Guys, I chose C, but I really don't understand why the OA is B. Whenever you have "and", you're connecting either 2 phrases or 2 clauses, which require a comma before "and."; However, since we don't have a comma before "and", we obviously don't want to connect 2 clauses, which means having both a subject and a verb, because that would create a run-on sentence. When you look at what B does:

yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise,


The reason I liked option C is that "is" is removed, making the sentence after "and" a phrase and doesn't change the fact that "is" is implied:

yet the temperatures are so cold and the ice cap (is) so reflective that little polar ice melts during the summer, or else


can someone explain why B is correct and how come we don't have a run-on sentence after "and" in option B??


I picked C as well. But, B seems to be right one due to parallel construction of

the temperatures are so cold and the ice cap is so reflective
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Re: SC: Antarctica [#permalink] New post 09 Aug 2008, 08:33
guys, but what about the point I addressed regarding the issue of run on sentence? how come option b doesn't have a run on sentence? how come "and" in option b is connecting 2 clauses on both sides? shouldn't there be a comma before "and" so that the connecting of the 2 clauses becomes legal? would someone please address this point?
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Re: SC: Antarctica [#permalink] New post 09 Aug 2008, 14:13
tarek99 wrote:
guys, but what about the point I addressed regarding the issue of run on sentence? how come option b doesn't have a run on sentence? how come "and" in option b is connecting 2 clauses on both sides? shouldn't there be a comma before "and" so that the connecting of the 2 clauses becomes legal? would someone please address this point?



B is not a run-on sentence. In a run-on sentence, two independent clauses are not joined by any conjunction where as they must be. for ex:

Ron is hungry, he is going home.

here both clauses are independent clauses. so they must be joined either by a conjunction (and, or, etc.) or by a semi-colon, then only the sentence makes sense.

the correct expreseeions are:

Ron is hungry and he is going home.
Ron is hungry; he is going home.
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Re: SC: Antarctica [#permalink] New post 09 Aug 2008, 14:56
GMAT TIGER wrote:
tarek99 wrote:
guys, but what about the point I addressed regarding the issue of run on sentence? how come option b doesn't have a run on sentence? how come "and" in option b is connecting 2 clauses on both sides? shouldn't there be a comma before "and" so that the connecting of the 2 clauses becomes legal? would someone please address this point?



B is not a run-on sentence. In a run-on sentence, two independent clauses are not joined by any conjunction where as they must be. for ex:

Ron is hungry, he is going home.

here both clauses are independent clauses. so they must be joined either by a conjunction (and, or, etc.) or by a semi-colon, then only the sentence makes sense.

the correct expreseeions are:

Ron is hungry and he is going home.
Ron is hungry; he is going home.



thanks GMAT TIGER for your response. Now, I need to be clear with something here. When the conjunction "and" is connecting 2 clauses, shouldn't "and" be preceded by a comma? For example:

Ron is hungry, and he is going home--->shouldn't this be correct? However, when "and" is connecting 2 phrases or a clause to a phrase, then no comma will need to precede "and." When do we need a comma before "and"?
thanks

Last edited by tarek99 on 10 Aug 2008, 04:54, edited 3 times in total.
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Re: SC: Antarctica [#permalink] New post 09 Aug 2008, 17:09
tarek99 wrote:
Antarctica receives more solar radiation than does any other place on Earth, yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise, the water levels of the oceans would rise 250 feet and engulf most of the world’s great cities.

A. is reflective, so that little polar ice melts during the summer; otherwise,
B. is so reflective that little of the polar ice melts during the summer; were it to do so, -> would in the following clause makes me go for this option,we take a hypothetical scenario and predict the result ,here we say were Y to do so ,x would happen
C. so reflective that little polar ice melts during the summer, or else -> incorrectly or else is used
D. reflective, so that little of the polar ice melts during the summer, or
E. reflects so that little of the polar ice melts during the summer; if it did













Guys, I chose C, but I really don't understand why the OA is B. Whenever you have "and", you're connecting either 2 phrases or 2 clauses, which require a comma before "and."; However, since we don't have a comma before "and", we obviously don't want to connect 2 clauses, which means having both a subject and a verb, because that would create a run-on sentence. When you look at what B does:

yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer; otherwise,


The reason I liked option C is that "is" is removed, making the sentence after "and" a phrase and doesn't change the fact that "is" is implied:

yet the temperatures are so cold and the ice cap (is) so reflective that little polar ice melts during the summer, or else


can someone explain why B is correct and how come we don't have a run-on sentence after "and" in option B??



For parallelism eliminate A,D,E
B Vs C
B Wins IMO B
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Re: SC: Antarctica [#permalink] New post 09 Aug 2008, 17:27
tarek99 wrote:
GMAT TIGER wrote:
tarek99 wrote:
guys, but what about the point I addressed regarding the issue of run on sentence? how come option b doesn't have a run on sentence? how come "and" in option b is connecting 2 clauses on both sides? shouldn't there be a comma before "and" so that the connecting of the 2 clauses becomes legal? would someone please address this point?



B is not a run-on sentence. In a run-on sentence, two independent clauses are not joined by any conjunction where as they must be. for ex:

Ron is hungry, he is going home.

here both clauses are independent clauses. so they must be joined either by a conjunction (and, or, etc.) or by a semi-colon, then only the sentence makes sense.

the correct expreseeions are:

Ron is hungry and he is going home.
Ron is hungry; he is going home.



thanks GMAT TIGER for your response. Now, I need to be clear with something here. When the conjunction "and" is connecting 2 clauses, shouldn't "and" be proceeded by a comma? For example:

Ron is hungry, and he is going home--->shouldn't this be correct? However, when "and" is connecting 2 phrases or a clause to a phrase, then no comma will need to proceed "and." What do need a comma before "and"?
thanks


consider this sentence

and is a conjunction hence used to connect two situations.
and, also does the same but the coma following it has some info about a condition or comparison etc

x is true and ,conversely,y will work too.

examples are given below:
x and y
The sale of government surplus machinery will begin at 9 a.m. and continue as long as the supply lasts

x and,z,y
The sale of government surplus machinery will begin at 9 a.m. and ,immediately following it, will be the speech by president

None of the attempts to specify the causes of crime explains why most of the people exposed to the alleged causes do not commit crimes and, conversely, why so many of those not so exposed have.

None of the attempts to specify the causes of crime explains why most of the people exposed to the alleged causes do not commit crimes and why so many of those commit crimes in the first place

Ron is hungry and he is going home.
Ron is hungry and,skipping his classes, he is going home.

we are gonna give additional info in between comas to state the situation following and may have some dependency with first.
I hope This helps.
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Re: SC: Antarctica [#permalink] New post 10 Aug 2008, 02:29
thanks but I was talking about having a comma before "and". This is the first time i see a comma AFTER "and".
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Re: SC: Antarctica [#permalink] New post 10 Aug 2008, 03:56
tarek99 wrote:
thanks but I was talking about having a comma before "and". This is the first time i see a comma AFTER "and".

oops :roll:
even i would like to know whats the significance of ,and
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Re: SC: Antarctica   [#permalink] 10 Aug 2008, 03:56
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