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The hypothesis of an expanding Earth has never attracted

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The hypothesis of an expanding Earth has never attracted [#permalink] New post 23 Nov 2006, 05:53
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
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Re: RC- short text [#permalink] New post 23 Nov 2006, 09:54
ugo_castelo wrote:
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


B it is...
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 [#permalink] New post 23 Nov 2006, 11:37
passage says "whereas Earth expansion appears to offer no comparable advantages" over the "drift theory". Therefore (A)
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 [#permalink] New post 23 Nov 2006, 18:07
A 2.

read the last few sentences. it is drawing analogy between the drift theory and the expansion theory. so why drift was accepted while the expansion was not. it is the key.
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 [#permalink] New post 23 Nov 2006, 23:59
Ugo would you post the OA pls? I don't agree with A.
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 [#permalink] New post 24 Nov 2006, 02:26
The OA is A

I got it wrong too... I picked B
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  [#permalink] 24 Nov 2006, 02:26
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