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Although there has been great scientific debate for decades over globa

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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 08 Dec 2011, 22:31
i'm left only with A, after selecting out all the other options.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 08 Dec 2011, 23:01
A when negated will totally disprove the conclusion.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 08 Dec 2011, 23:08
Conclusion: rising temperatures will cause rise in sea levels, displacing millions of people
A - Defender. When negated, ie, If there were technological developments that would prevent all the said catastrophic effects, then conclusion falls apart.
B - Irrelevant
C - Irrelevant to conclusion
D - Irrelevant
E - strong wording, irrelevant
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 23 Feb 2015, 06:50
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Although there has been great scientific debate for decades over global warming, most scientists now agree that human activity is causing the Earth’s temperature to rise. Though predictions vary, many global warming experts believe that average global temperatures will rise between three and eight degrees Fahrenheit during the next century. Such an increase would cause an alarming rise in sea levels, displacing millions of people by destroying major population centers along the world’s coastlines. Which of the following is an assumption in support of the argument’s conclusion?

• New technological developments in the next century will not divert rising seas from the world’s coastal cities.
this is an asssumption which is directly affecting conclusion.. so correct
• Individuals will not become more aware of the steps they can take to reduce the emission of greenhouse gases.
a very close second. it is truly an assumption but if we look closely. it does not support conclusion but supports the prediction...
• Rising sea levels similarly affect all coastal population centers.
no role in supporting..
• Some global warming experts predict a greater than eight degree Fahrenheit increase in global temperatures
during the next century.
out of scope
• Human activity is the sole cause of increasing global temperatures.
out of scope..
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 23 Feb 2015, 10:27
The answer is A. B was the nearest one, but it is wrong, because the argument speaks about what an increase would cause, not whether it will happen or not.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 29 Mar 2015, 19:41
4
1
The argument concludes that rising sea levels caused by global warming will
destroy major coastal population centers and displace millions of people. Any
assumption in support of this conclusion would have to corroborate that these
events will definitively take place.

(A) CORRECT. If new technological developments in the next century allow
people to divert rising seas from the world’s cities (i.e., population centers), cities
will not be destroyed and millions of people will not be displaced. Thus, a
necessary assumption is that these technologies will not be developed.

(B) A simple awareness of the steps to reduce emissions in no way undermines
the argument’s conclusion, as this answer choice does not describe any action
being taken by individuals. Additionally, greenhouse gases are never mentioned
as the primary by-product of human activity that causes global warming, and are
therefore not sufficient to address the argument.

(C) The argument never suggests that all coastal population centers are similarly
affected; this choice is too extreme and overreaching for the argument’s
conclusion.

(D) This might be true, but it is not an assumption on which the conclusion rests.
Instead, this answer choice is simply an inference that might be drawn from the
premises.

(E) The idea that human activity is the sole cause of global warming is neither
suggested nor assumed by the argument. In addition, the wording "sole cause" is
too extreme.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 24 Aug 2015, 11:25
2
The trick here is to correctly identify the conclusion which is:

OA: The argument concludes that rising sea levels caused by global warming will destroy major coastal population centers and displace millions of people. Any assumption in support of this conclusion would have to corroborate that these events will definitively take place.

(A) CORRECT. If new technological developments in the next century allow people to divert rising seas from the world’s cities (i.e., population centers), cities will not be destroyed and millions of people will not be displaced. Thus, a necessary assumption is that these technologies will not be developed.

(B) A simple awareness of the steps to reduce emissions in no way undermines the argument’s conclusion, as this answer choice does not describe any action being taken by individuals. Additionally, greenhouse gases are never mentioned as the primary by-product of human activity that causes global warming, and are therefore not sufficient to address the argument.

(C) The argument never suggests that all coastal population centers are similarly affected; this choice is too extreme and overreaching for the argument’s conclusion.

(D) This might be true, but it is not an assumption on which the conclusion rests. Instead, this answer choice is simply an inference that might be drawn from the premises.

(E) The idea that human activity is the sole cause of global warming is neither suggested nor assumed by the argument. In addition, the wording "sole cause" is too extreme.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 31 Jan 2016, 23:54
1
2
Although there has been great scientific debate for decades over global warming, most scientists now agree that human activity is causing the Earth’s temperature to rise. Though predictions vary, many global warming experts believe that average global temperatures will rise between three and eight degrees Fahrenheit during the next century. Such an increase would cause an alarming rise in sea levels, displacing millions of people by destroying major population centers along the world’s coastlines. Which of the following is an assumption in support of the argument’s conclusion?

A. New technological developments in the next century will not divert rising seas from the world’s coastal cities.

B. Individuals will not become more aware of the steps they can take to reduce the emission of greenhouse gases.

C. Rising sea levels similarly affect all coastal population centers.

D. Some global warming experts predict a greater than eight degree Fahrenheit increase in global temperatures during the next century.

E. Human activity is the sole cause of increasing global temperatures.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 01 Feb 2016, 02:49
souvik101990 wrote:
Although there has been great scientific debate for decades over global warming, most scientists now agree that human activity is causing the Earth’s temperature to rise. Though predictions vary, many global warming experts believe that average global temperatures will rise between three and eight degrees Fahrenheit during the next century. Such an increase would cause an alarming rise in sea levels, displacing millions of people by destroying major population centers along the world’s coastlines. Which of the following is an assumption in support of the argument’s conclusion?

A. New technological developments in the next century will not divert rising seas from the world’s coastal cities.

B. Individuals will not become more aware of the steps they can take to reduce the emission of greenhouse gases.

C. Rising sea levels similarly affect all coastal population centers.

D. Some global warming experts predict a greater than eight degree Fahrenheit increase in global temperatures during the next century.

E. Human activity is the sole cause of increasing global temperatures.



Option D and E- Out of Scope
Option C: Similarity in affecting costal populations. Out of Scope
Option B: Not sure. But rejected because of green house gases. Even if individuals become aware will they take steps or will the temperature reduce.

IMO: A
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 01 Feb 2016, 05:41
Although there has been great scientific debate for decades over global warming, most scientists now agree that human activity is causing the Earth’s temperature to rise. Though predictions vary, many global warming experts believe that average global temperatures will rise between three and eight degrees Fahrenheit during the next century. Such an increase would cause an alarming rise in sea levels, displacing millions of people by destroying major population centers along the world’s coastlines. Which of the following is an assumption in support of the argument’s conclusion?


Conclusion here is a little fragmented and If I can get then together it says something like -
In the next century , the rising sea levels ,caused by temperature hike , will destroy coastal cities and displace people.

A. New technological developments in the next century will not divert rising seas from the world’s coastal cities.

-This is the only option that strengthens the conclusion by eliminating the possibility that Technological enhancements will not save the coastal cities

B. Individuals will not become more aware of the steps they can take to reduce the emission of greenhouse gases.
-Argument does not talk about greenshouse gases and we do not know for sure what effect green house gases produce

C,D,E does not tackle the conclusion

Answer (A)
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 20 Feb 2016, 05:31
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The argument states that global warming will lead to an increase in temperature which will eventually raise the sea levels, displacing millions of people by destroying major population hubs along the coastlines. The author assumes that people have to be relocated and there are no means to combat the situation. "A" rightly states the assumption. If "A" is reversed that is "Technological developments will divert the seas" then it goes against the conclusion.Hence that is the assumption.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 10 Apr 2016, 15:02
use of negation test on option A gives us 'technological developments will divert seas towards world's coastal cities' breaks the conclusion . So this is the correct answer
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 19 May 2016, 12:23
hi,

as this is the cause and effect question. human activity ----->rise in earth temp----> rise in sea level----->coastal cities and people get displaced.

in cause and effect question.1.) cause comes before effect 2.) no alternate cause for the effect.
so, option E, which states human activity is the 'sole reason' is what i thought the correct answer due to above reasons.Please explain.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 29 Jan 2017, 00:15
The argument concludes that rising sea levels caused by global warming will destroy major coastal population centers and displace millions of people. Any assumption in support of this conclusion would have to corroborate that these events will definitively take place.

(A) CORRECT. If new technological developments in the next century allow people to divert rising seas from the world’s cities (i.e., population centers), cities will not be destroyed and millions of people will not be displaced. Thus, a necessary assumption is that these technologies will not be developed.
(B) A simple awareness of the steps to reduce emissions in no way undermines the argument’s conclusion, as this answer choice does not describe any action being taken by individuals. Additionally, greenhouse gases are never mentioned as the primary by-product of human activity that causes global warming, and are therefore not sufficient to address the argument.
(C) The argument never suggests that all coastal population centers are similarly affected; this choice is too extreme and overreaching for the argument’s conclusion.
(D) This might be true, but it is not an assumption on which the conclusion rests. Instead, this answer choice is simply an inference that might be drawn from the premises.
(E) The idea that human activity is the sole cause of global warming is neither suggested nor assumed by the argument. In addition, the wording "sole cause" is too extreme.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 13 May 2017, 01:38
Clearly option A is the answer. Option B, when negated, tackles the awareness of the humans but it does not translate that Humans will do something about rising temperatures and sea levels. Hence B is out.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 13 May 2017, 10:36
DeepikaV wrote:
hi,

as this is the cause and effect question. human activity ----->rise in earth temp----> rise in sea level----->coastal cities and people get displaced.

in cause and effect question.1.) cause comes before effect 2.) no alternate cause for the effect.
so, option E, which states human activity is the 'sole reason' is what i thought the correct answer due to above reasons.Please explain.


I think you have not understood the argument properly. The argument concluded that the rising sea level will displace millions of people by destroying major population centers along the world’s coastlines.

So, Assumption could be something that says people don't have a way to save themselves or something that says these people are not the part of the whole problem, hence killing them is not going to help us.

Option E is saying Humans are the sole reason. What if they are not the sole reason? In that case also they are still a problem and displacing that would help us. So, this cannot be an assumption.

If I talk about option A, we are given "New technological developments in the next century will not divert rising seas from the world’s coastal cities.". It means we don't have a way to save those people. Hence, this point lies inline with what we thought.

I hope that makes sense.

P.S: Sorry, I saw your post after 1 year otherwise I would have replied on time. :-D
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 23 Jun 2017, 19:57
this is so unbelievable, the lesson here is to recognize the pattern and try not to pay attention to outside knowledge. Clearly, test takers have to assume that there is a technology to prevent catastrophe in the conclusion of the argument.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 24 Jun 2017, 03:04
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chesstitans wrote:
this is so unbelievable, the lesson here is to recognize the pattern and try not to pay attention to outside knowledge. Clearly, test takers have to assume that there is a technology to prevent catastrophe in the conclusion of the argument.


That's the beauty of this question. :)

The author said an increase in temperature would displace people. That means he is assuming that we cannot save them anyhow.

This is what option A is doing. It says even we have some sort of technological improvement, we cannot save them. Hence, it strengthens author's conclusion.

I know rejecting A because it seems to provide an outside knowledge could be our first step. But my friend, be careful. :)
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 27 Jul 2017, 22:31
Merged topics. Please, search before posting questions!
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 28 Jul 2017, 08:03
I agree A might be best of the rest, but it certainly isn't the best. It talks about only cities,whereas nowhere in the premise or the conclusion or even the stimuli has it been mentioned that "major population centers" are mostly coastal cities. Bad question, I'd say! part of the reason, I am always scared to do CR from any company other than OG or GMATPrep
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Re: Although there has been great scientific debate for decades over globa &nbs [#permalink] 28 Jul 2017, 08:03

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