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14 Apr 2021, 12:45
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MPRS22
Hello, MPRS22. With all due respect to e-GMAT, I am not keen on the question. At the same time, I do not like to be quick to bash the hard work of others. Some people have said above that Progeny is unstable. That may seem intuitive, but the passage only tells us that radon is unstable and breaks down into Progeny. (B) broaches the topic that Progeny may itself undergo a conversion. I have looked at the OA, and I think the whether framework of the answer choices leaves more room for debate than the question-writer(s) intended. That is, instead of two sub-considerations, i. and ii., whether opens the door to i., ii., iii., and iv., if not more—
i. whether Progeny is stable
ii. whether Progeny is unstable (not necessarily the same as not being stable)
iii. whether Progeny gets converted to some other gas at a constant rate
iv. whether Progeny does not get converted to some other gas at all
v. whether Progeny gets converted to some other gas, but not at a constant rate
The answers to these considerations would provide a much more focused framework within which to evaluate the method, as the question asks us to do. Meanwhile, the mention of all gases in (C) is too broad. We are interested in radon, not in every other gas. We simply would not need to know about all gases to evaluate the method.
In the end, I can see what the question is driving at—there are parts of both (B) and (C) that I like—but I am not satisfied with it as written. Learn what you can from it, but I will reiterate that if you want to be your best at Verbal, stick to official questions.
- Andrew
15 Apr 2021, 09:54
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C should be it.
The word "constant" is an important word in option B. If there is a constant conversion, then tracking the rate of conversion or the rate of increase in composition of the other gas could still do the job. Hence, B isn't the answer.
The word "constant" is an important word in option B. If there is a constant conversion, then tracking the rate of conversion or the rate of increase in composition of the other gas could still do the job. Hence, B isn't the answer.
05 Aug 2021, 03:43
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A. If this is true .than scientist can easily find it out and thus this method is going to help
B. No such implication.even if it is convert into gas .we can find the age.as it is converted into constant rate
C. If such thing happen than it will cause a serious dout on the process.because we can't determine the rate of conversion present in the past 1000 years or whatsoever year
D. Than we can use both the method.it doesn't cast any dout
E. No such effect
So option C is correct one
Posted from my mobile device
B. No such implication.even if it is convert into gas .we can find the age.as it is converted into constant rate
C. If such thing happen than it will cause a serious dout on the process.because we can't determine the rate of conversion present in the past 1000 years or whatsoever year
D. Than we can use both the method.it doesn't cast any dout
E. No such effect
So option C is correct one
Posted from my mobile device
