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SVP
Joined: 16 Oct 2003
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For the first time, an earth-like planet has been [#permalink]
 10 Sep 2004, 08:21
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0% (00:00) correct
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For the first time, an earth-like planet has been discovered. Since this planet is orbiting another star, the greatest chance for extraterrestrial life
to exist is outside our solar system.
The argument above assumes which of the following?
Extraterrestrial organisms are likely to appear in forms similar to terrestrial ones.
Life cannot exist on the other planets of our solar system.
Life will always occur wherever earth-like planets exist.
Life is most likely to arise under earth-like conditions.
Life from other kinds of planets is too difficult to detect.
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Manager
Joined: 28 Jul 2004
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B is my choice.
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Director
Joined: 31 Aug 2004
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Was in balance between B and D.
I think end of the stem stress more answer B than D.
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Senior Manager
Joined: 16 Aug 2004
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D is my choice.
Conclusion: The planet represents the greatest chance outside our solar system for ET life to exist.
Evidence: It is an earth like planet.
The choice that best connects the conclusion and evidence is choice D.
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SVP
Joined: 16 Oct 2003
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Anyone else?
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GMAT Club Legend
Joined: 15 Dec 2003
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D must be it
Life could exist on Mars and there is no allusion to life potential in our solar system whatsoever
_________________
Best Regards,
Paul
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Director
Joined: 08 Jul 2004
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D, if there is a catch let us know!
S
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Director
Joined: 05 May 2004
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Paul wrote: D must be it
Life could exist on Mars and there is no allusion to life potential in our solar system whatsoever
Yes
I chose D for similar reason
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Manager
Joined: 02 Apr 2004
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I would choose B.
The greatest chance for extracadabra life is outside our solar system.
I could be wrong, but on the real test I would choose this one.
Regards,
Alex
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Intern
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I will go with B.
Life cannot exist on planets of our solar system (Assumption).
Earth like planet discovered outside our solar system.
So, greatest chance to find life is outside our solar system.
Second best choice is D. D does not explain why life cannot be found on our solar system.
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Manager
Joined: 05 Sep 2004
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I think it's between C and D. C is just a stronger version of D.
Like usual, we simplify:
(i) An earth-like planet is discovered.
(ii) The planet is in another solar system.
(iii) --------------------
(iv) Thus, greatest chance of extra terrestrial life is outside our solar system.
(iii) has to link the existence of life with an earth-like planet or conditions. The assumption, then, is: we discovered an earth-like planet and we have discovered life!
What if the planet is earth-like in conditions/appearance only and life has never been introduced there before?
(C) and (D) both say the same thing. You'll choose (C) over (D) because we're talking about a whole planet and not just conditions. You'll choose (D) over (C) because (C) talks in absolute terms ("always") while (D) tones it down and uses likelihoods.
If I was a GMAT testmaker, I wouldn't subject the students to the agony of this judgement call and change one thing in either of the choices to making it lacking in some respect.
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