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The popular view is that Ozone layer’s depletion-"Tough one"

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Re: The popular view is that Ozone layer’s depletion-"Tough one" [#permalink] New post 09 May 2013, 18:14
Expert's post
gmacforjyoab wrote:
carcass wrote:
Please Chiranjeev provide OA .

Thanks



Hey Guyys,

The official answer is D . Here is a link to it on beat the GMAT . - http://www.beatthegmat.com/an-assumptio ... 71004.html
People should be made to post the answer along with the question , for the benefit of others using the forum. Question without an answer is as good as no question.


Hey,

Didn't you check out the thread before posting?

For your reference, official solution was pasted on this thread on 5th Feb, more than three months ago. I am quoting that again:

egmat wrote:
Hi All,

It has been a great discussion so far. I really enjoyed reading it - points, counter-points - I think this is what we are here for - to learn from each other.

Thank you to all and Kudos to people who put in detailed explanations for their answer choices.

Very nice and precise explanations by Anshunadir, ConnectTheDots and VariableChange.

And if some people are still wondering about OA:

Official Answer is Choice D

We'll put up official explanations by tomorrow. In any case, explanations by Anshunadir, ConnectTheDots and VariableChange are already there. :)

Thanks,
Chiranjeev

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Re: The popular view is that Ozone layer’s depletion-"Tough one" [#permalink] New post 09 May 2013, 18:27
egmat wrote:
gmacforjyoab wrote:
carcass wrote:
Please Chiranjeev provide OA .

Thanks



Hey Guyys,

The official answer is D . Here is a link to it on beat the GMAT . - http://www.beatthegmat.com/an-assumptio ... 71004.html
People should be made to post the answer along with the question , for the benefit of others using the forum. Question without an answer is as good as no question.


Hey,

Didn't you check out the thread before posting?

For your reference, official solution was pasted on this thread on 5th Feb, more than three months ago. I am quoting that again:

egmat wrote:
Hi All,

It has been a great discussion so far. I really enjoyed reading it - points, counter-points - I think this is what we are here for - to learn from each other.

Thank you to all and Kudos to people who put in detailed explanations for their answer choices.

Very nice and precise explanations by Anshunadir, ConnectTheDots and VariableChange.

And if some people are still wondering about OA:

Official Answer is Choice D

We'll put up official explanations by tomorrow. In any case, explanations by Anshunadir, ConnectTheDots and VariableChange are already there. :)

Thanks,
Chiranjeev



I did not notice that there was more than one page for this post and I did not see the answer on the first page , thought the official answer was not posted.
My Apologies !

Jyothi
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Re: The popular view is that Ozone layer’s depletion-"Tough one" [#permalink] New post 09 May 2013, 18:29
Expert's post
gmacforjyoab wrote:
I did not notice that there was more than one page for this post and I did not see the answer on the first page , thought the official answer was not posted.
My Apologies !

Jyothi


No issues. It happens :)

Cheers,
Chiranjeev
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[*] Master Number Properties
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Re: The popular view is that Ozone layer’s depletion-"Tough one" [#permalink] New post 13 May 2013, 03:23
Hello all,

Choice E states:

The rate at which an ozone depleting chemical, whether man-made or released in a volcanic eruption, is released is not more important in the destruction of ozone layer than the quantity of chemicals released.

If we negate choice E we get:

The rate at which an ozone depleting chemical, whether man-made or released in a volcanic eruption, is released is not more important in the destruction of ozone layer than the quantity of chemicals released.

The argument falls apart when E is negated right?

Also E is better in the sense that it is more general and has wider scope. D can be a specific case of E, where there are a large quantities of ozone depleting chemicals released, but due to their structure they would not reach the stratosphere and hence have a lower rate of depletion. There could be a thousand more assumptions on why the quantity is more but rate of depletion is less, but E essentially covers them all! No?
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Re: The popular view is that Ozone layer’s depletion-"Tough one" [#permalink] New post 29 Jun 2014, 00:43
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Re: The popular view is that Ozone layer’s depletion-"Tough one" [#permalink] New post 02 May 2015, 07:46
Premise 1 : Mount Pinatubo in the Philippines spewed forth more than a thousand times the amount of ozone-depleting chemicals in one volcanic eruption than all the fluorocarbons manufactured by wicked, diabolical and insensitive corporations in history

Conclusion: Mankind can't possibly equal the output of even one eruption from Pinatubo, much less 4 billion years' worth of them, so how can it be held responsible for destroying ozone.

A. It would take mankind more than 4 billion years to destroy Ozone. -> Out of scope
B. Each molecule of ozone depleting chemical released during an eruption of Mount Pinatubo destroys the same quantity of ozone as a molecule of fluorocarbons -> Even if it destroys 1/2 of it, the conclusion is not broken as the number can compensate the 1/2 of the molecules.
C. The amount of ozone-depleting chemicals released during a single eruption in Mount Pinatubo is much higher than the quantity of fluorocarbons produced by the companies -> Stated in the premise , can't be the assumption
D. The molecular structure of ozone-depleting chemicals released during a volcanic eruption does not prevent them from reaching the stratosphere, the layer of the atmosphere where the ozone layer resides.-> Correct Assumption. if it doesn't reach the ozone layer, the whole conclusion falls apart.
E. The rate at which an ozone depleting chemical, whether man-made or released in a volcanic eruption, is released is not more important in the destruction of ozone layer than the quantity of chemicals released. -> We are not worried about the rate at all, the argument talks about the total quantity.
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Re: The popular view is that Ozone layer’s depletion-"Tough one"   [#permalink] 02 May 2015, 07:46

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