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Although there has been great scientific debate for decades over globa

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

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New post Updated on: 11 May 2018, 08:45
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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?

(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.

Originally posted by sh00nya on 14 Apr 2010, 02:41.
Last edited by hazelnut on 11 May 2018, 08:45, edited 2 times in total.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 22 Feb 2015, 21:10
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This question is part of the GMAT Club Critical Reasoning : Assumption" Revision Project.

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.
• Individuals will not become more aware of the steps they can take to reduce the emission of greenhouse gases.
• Rising sea levels similarly affect all coastal population centers.
• Some global warming experts predict a greater than eight degree Fahrenheit increase in global temperatures
during the next century.
• 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 14 Apr 2010, 04:12
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Edited the post for OA

You are correct

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

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New post 22 Apr 2010, 12:10
I thought that A is out of scope. In assumption questions we should use just given info, isn't it?
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 22 Apr 2010, 14:40
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fruit wrote:
I thought that A is out of scope. In assumption questions we should use just given info, isn't it?


Yes, you should only use information given in the passage. But, the assumption given in the answer choice is the information additional to what has already been given in the passage. And you have to use this external information as an assumption to draw the conclusion.

I also made the mistake in this question. I chose B in the first place. It cannot be B since it does not say in the passage that Green House Gases are the main contributors to the temperature rise. I used external information and the answer I got was wrong.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post Updated on: 07 Feb 2017, 16:58
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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?

(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.

Originally posted by IEsailor on 02 Jun 2011, 12:15.
Last edited by mikemcgarry on 07 Feb 2017, 16:58, edited 1 time in total.
Added OA, letters to choices
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 02 Jun 2011, 12:31
Between A and E , but the word 'Sole' in E doesn't sounds good.
would go with A
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 02 Jun 2011, 12:47
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IEsailor 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?

Conclusion: People in coastal areas will have to relocate as the coastal cities will submerge into sea-water because of its rising level due to high temperatures.

New technological developments in the next century will not divert rising seas from the world’s coastal cities.
The temperatures will rise. And even the technology will not be able to protect the coastal cities from drowning. Thus, beware all living in Miami, you guys will have to relocate to Adirondacks in a century or so.

Individuals will not become more aware of the steps they can take to reduce the emission of greenhouse gases.
Greenhouse gases- what does this do? Does it affect the environment. Does it make the weather colder? Out of scope.

Rising sea levels similarly affect all coastal population centers.
Extra information. No use to me.

Some global warming experts predict a greater than eight degree Fahrenheit increase in global temperatures during the next century.
It can surely prove the gravity to which the conclusion holds true. Also, we already know this by inference of the phrase "Though predictions vary" and it is not an assumption. And it doesn't support the conclusion.

Human activity is the sole cause of increasing global temperatures.
Thanks for blaming humans. But, how does it effect/support the conclusion.


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

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New post 02 Jun 2011, 15:17
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 03 Jun 2011, 00:08
+1 to A. A is the only one which supports the argument’s conclusion
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 06 Jun 2011, 01:45
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Negating A clearly crashes the conclusion about problems encountered at the coastal areas.

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

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New post 10 Nov 2011, 07:39
I think (A) is correct.

Because conclusion is rise in temperature > rise in sea level > destroy coastal line cities. If A is not an assumption and if negated, it means new technology can save the coastal line cities in the next century.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 13 Nov 2011, 09:31
This sentence I saw A is the assumption, but it is not strong enough comparably with other questions.

I also confuse with B, but after negate. In (B), when negate, meaning that the awareness of people did not make the consequence become less serious.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 13 Nov 2011, 09:37
Hey,

Option B is out of scope. Here they don't talk about the emission of green house gases.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 13 Nov 2011, 09:53
Nope. I don't think B out of scope. In assumption, we should not consider answer choice out of scope. Do you feel A relate to the emission of oil? No, it is not related but it is the NECESSARY info.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 13 Nov 2011, 10:01
I think the argument revolves around the effect of global warming. It talks more about the impact of global warming and the consequences. So we must restrict our scope within that frame.
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Re: Although there has been great scientific debate for decades over globa  [#permalink]

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New post 13 Nov 2011, 19:10
How you can determine which is out of scope, between A and B. These two choices are quite relevant, although I agree that A is the right choice. B talk about the greenhouse gases, this is the consequence of globalwarming, right? I definitely confirmed this is not 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 14 Nov 2011, 00:56
+1 for A.

An Assumption must be closely tied to the conclusion. According to the argument :
Premise:Temp will rise between 3-8 degrees.
Conclusion: Coastal population will have to be displaced.

A bridges the gap between Premise and Conclusion by acting as defender of 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, 08:26
tuanquang269 wrote:
How you can determine which is out of scope, between A and B. These two choices are quite relevant, although I agree that A is the right choice. B talk about the greenhouse gases, this is the consequence of globalwarming, right? I definitely confirmed this is not out of scope.


B introduces greenhouse gases into the picture. They are not mentioned in the argument. In an assumption question, we are not required to bring in outside knowledge (the relation between greenhouse gases and global warming). That is why B is out of scope.
Please correct me if I am mistaken.
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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, 17:03
+1 for A as it weakens the argument by negation
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Re: Although there has been great scientific debate for decades over globa &nbs [#permalink] 08 Dec 2011, 17:03

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