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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 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 [#permalink]

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New post 06 Sep 2017, 06:39
I think E should have been the OA.
between A and E.
A brings in additional information. so chuck it.
while in E we are putting all speculation to rest by sticking to human activities as sole cause of global warming.
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Re: Although there has been great scientific debate for decades over globa [#permalink]

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New post 09 Sep 2017, 03:55
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.

Conclusion: 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.

Falsification:
1) What if this increase in the sea levels could be checked?
2) What if this global temperature does not increase because of the counterbalancing effect of some other natural phenomenon?

Possible Assumption:
1) There’s no way the increase in the sea level or increase in the global temperature could be checked.

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.
Negate: New technological developments in the next century will divert rising seas from the world’s coastal cities
If the technological developments in the next century can do that, then we will be able to break the conclusion. Thus, this option has the potential to be a prospective assumption.


B. Individuals will not become more aware of the steps they can take to reduce the emission of greenhouse gases.
Negate: Individuals will become more aware of the steps they can take to reduce the emission of greenhouse gases
Even if the emission of the greenhouse gases is reduced, we do not know, within the scope of the argument, whether the event will have a positive or negative effect on the problems and whether the effect will be significant or not.


C. Rising sea levels similarly affect all coastal population centers.
Out of scope.

D. Some global warming experts predict a greater than eight degree Fahrenheit increase in global temperatures during the next century.
Negate: No global warming experts predict a greater than eight-degree fah increase in the global temperature during the next century.
Doesn’t matter. The range mentioned in the argument is enough for the dooms days.


E. Human activity is the sole cause of increasing global temperatures.
Negate: Human activity is not the sole cause of increasing global temperatures.
There may be some other factors, say X. But, this new information does not break 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 Nov 2017, 07:01
Isnt the conclusion of the argument "most scientists now agree that human activity is causing the Earth’s temperature to rise"? If so then shouldn't the answer be A. Some one please explain why the conclusion is "cause an alarming rise in sea levels" instead of "most scientists now agree that human activity is causing the Earth’s temperature to rise"
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Re: Although there has been great scientific debate for decades over globa [#permalink]

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New post 24 Nov 2017, 12:29
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. -Correct. If the seas won't be diverted then coastlines will be impacted.
B. Individuals will not become more aware of the steps they can take to reduce the emission of greenhouse gases. -Even if people become aware, the green house gases emission won't completely stop. Plus there are many ways in which global temperature can rise. Out of scope.
C. Rising sea levels similarly affect all coastal population centers. -Okay. out of scope.
D. Some global warming experts predict a greater than eight degree Fahrenheit increase in global temperatures during the next century. -degree of increase in temperature is out of scope
E. Human activity is the sole cause of increasing global temperatures. -this is an extreme statement
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Re: Although there has been great scientific debate for decades over globa [#permalink]

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New post 25 Nov 2017, 06:27
sh00nya 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.


The argument states that an increase of temp by 3 to 8 degrees will adversely affect the coastal regions and millions of people will have to be displaced. This is where the assumption that there will be no technological development in the next century to divert seas from the coastal areas.

Answer A

[color=#ff0000]B=Well, any action taken by individual is not in the scope of the argument.

C= "ALL"? Wrong

D= "Some" "Greater than 8" So? They are just prediction and beyond the scope.

E= The idea that human activity is the sole cause of global warming is neither suggested nor assumed by 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 15 Dec 2017, 10:52
If we try to negate option ‘A’, it means new technological developments in the next century will be able to divert rising seas from the world’s coastal cities. With respect to the conclusion drawn, this assumption can’t be true. So ‘A’ is the best choice.
Re: Although there has been great scientific debate for decades over globa   [#permalink] 15 Dec 2017, 10:52

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