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The hypothesis of an expanding Earth has never attracted

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Director
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The hypothesis of an expanding Earth has never attracted [#permalink]

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New post 24 Mar 2009, 08:41
The hypothesis of an expanding Earth has never attracted notable support, and if it were not for the historical example of continental drift, such indifference might be a legitimate response to an apparently improbable concept. It should be remembered, however, that drift too was once regarded as illusory, but the idea was kept alive until evidence from physicists compelled geologists to reinterpret their data.

Of course, it would be as dangerous to overreact to history by concluding that the majority must now be wrong about expansion as it would be to reenact the response that greeted the suggestion that the continents had drifted. The cases are not precisely analogous. There were serious problems with the pre-drift world view that a drift theory could help to resolve, whereas Earth expansion appears to offer no comparable advantages. If, however, physicists could show that the Earth’s gravitational force has decreased with time, expansion would have to be reconsidered and accommodated.


24. The passage indicates that one reason why the expansion hypothesis has attracted little support is that it will not

(A) overcome deficiencies in current geologic hypotheses
(B) clarify theories concerning the Earth’s gravitational forces
(C) complement the theory of continental drift
(D) accommodate relevant theories from the field of physics
(E) withstand criticism from scientists outside the field of geology

25. The final acceptance of a drift theory could best be used to support the argument that

(A) physicists are reluctant to communicate with other scientists
(B) improbable hypotheses usually turn out to be valid
(C) there should be cooperation between different fields of science
(D) there is a need for governmental control of scientific research
(E) scientific theories are often proved by accident

26. In developing his argument, the author warns against

(A) relying on incomplete measurements
(B) introducing irrelevant information
(C) rejecting corroborative evidence
(D) accepting uninformed opinions
(E) making unwarranted comparisons

27. It can be deduced from the passage that the gravitational force at a point on the Earth’s surface is

(A) representative of the geologic age of the Earth
(B) analogous to the movement of land masses
(C) similar to optical phenomena such as mirages
(D) proportional to the size of the Earth
(E) dependent on the speed of the Earth’s rotation
=========
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Director
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Re: RC 1-Our Expanding Earth -Tuesday [#permalink]

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New post 24 Mar 2009, 10:38
Interesting and easy
except the first Q, wont take much time
my take is bcea
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Re: RC 1-Our Expanding Earth -Tuesday [#permalink]

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New post 24 Mar 2009, 20:41
CCED
nitya34 wrote:
Interesting and easy
except the first Q, wont take much time
my take is bcea

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Re: RC 1-Our Expanding Earth -Tuesday [#permalink]

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New post 25 Mar 2009, 02:49
My take is
C,B,E,D

Nitya, our answers are poles apart :shock: . waiting for the OAs :?

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Re: RC 1-Our Expanding Earth -Tuesday [#permalink]

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New post 25 Mar 2009, 03:35
Kaushik got 3 correct
we both have 2 Correct each :lol:
OAs ACED
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Re: RC 1-Our Expanding Earth -Tuesday [#permalink]

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New post 27 Mar 2009, 07:03
nitya34 wrote:
Interesting and easy
except the first Q
:cry: :cry:

I suck at RC, I will committ suicide :roll: I got only one correct.

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Re: RC 1-Our Expanding Earth -Tuesday [#permalink]

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New post 27 Mar 2009, 21:17
nitya34 wrote:
Kaushik got 3 correct
we both have 2 Correct each :lol:
OAs ACED


I got A C E D

As you said the first Q was brutal and I changed my answer from C to D to A. Did not feel right when I chose C/D. things were not matching up. Only after I read the first para 4 times, it made sense. Small ones are not necessarily easy. Took 10.5 min Was still at the 1st Q on the 7th min. Sucks!

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Re: RC 1-Our Expanding Earth -Tuesday   [#permalink] 27 Mar 2009, 21:17
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The hypothesis of an expanding Earth has never attracted

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