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When the supply of a given resource dwindles, alternative technologies

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When the supply of a given resource dwindles, alternative technologies  [#permalink]

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New post 10 Apr 2019, 06:41
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44% (02:18) correct 56% (02:39) wrong based on 96 sessions

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When the supply of a given resource dwindles, alternative technologies allowing the use of different resources develop, and demand for the resource that was in short supply naturally declines. Then the existing supplies of that resource satisfy whatever demand remains. Among the once-dwindling resources that are now in more than adequate supply are flint for arrowheads, trees usable for schooner masts, and good mules. Because new technologies constantly replace old ones, we can never run out of important natural resources.

Which one of the following, if true, most seriously undermines the conclusion?

(A) The masts and hulls of some sailing ships built today are still made of wood
(B) There are considerably fewer mules today than there were 100 years ago
(C) The cost of some new technologies is often so high that the companies developing them might actually lose money at first
(D) Dwindling supplies of a natural resource often result in that resource’s costing more to use
(E) The biological requirements for substances like clean air and clean water are unaffected by technological change

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Re: When the supply of a given resource dwindles, alternative technologies  [#permalink]

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New post 21 Apr 2019, 21:05
nightblade354 wrote:
When the supply of a given resource dwindles, alternative technologies allowing the use of different resources develop, and demand for the resource that was in short supply naturally declines. Then the existing supplies of that resource satisfy whatever demand remains. Among the once-dwindling resources that are now in more than adequate supply are flint for arrowheads, trees usable for schooner masts, and good mules. Because new technologies constantly replace old ones, we can never run out of important natural resources.

Which one of the following, if true, most seriously undermines the conclusion?

(A) The masts and hulls of some sailing ships built today are still made of wood
(B) There are considerably fewer mules today than there were 100 years ago
(C) The cost of some new technologies is often so high that the companies developing them might actually lose money at first
(D) Dwindling supplies of a natural resource often result in that resource’s costing more to use
(E) The biological requirements for substances like clean air and clean water are unaffected by technological change


argument : When the supply of a given resource dwindles, alternative technologies allowing the use of different resources develop, and demand for the resource that was in short supply naturally declines conclusion ,Because new technologies constantly replace old ones, we can never run out of important natural resources.
out of given options:
we need to find an option which weakens conclusion : Because new technologies constantly replace old ones, we can never run out of important natural resources.
option E ; The biological requirements for substances like clean air and clean water are unaffected by technological change ; no technological change can replace them.
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Re: When the supply of a given resource dwindles, alternative technologies  [#permalink]

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New post 22 Apr 2019, 09:33
nightblade354 wrote:
When the supply of a given resource dwindles, alternative technologies allowing the use of different resources develop, and demand for the resource that was in short supply naturally declines. Then the existing supplies of that resource satisfy whatever demand remains. Among the once-dwindling resources that are now in more than adequate supply are flint for arrowheads, trees usable for schooner masts, and good mules. Because new technologies constantly replace old ones, we can never run out of important natural resources.

Which one of the following, if true, most seriously undermines the conclusion?

(A) The masts and hulls of some sailing ships built today are still made of wood
(B) There are considerably fewer mules today than there were 100 years ago
(C) The cost of some new technologies is often so high that the companies developing them might actually lose money at first
(D) Dwindling supplies of a natural resource often result in that resource’s costing more to use
(E) The biological requirements for substances like clean air and clean water are unaffected by technological change


Our objective must be to attack the highlighted part of the Stimulus, none but (E) does that correctly as " clean air and clean water " are important natural resources for our Biological needs that can never be replaced...

Thus, Answer must be (E)
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Re: When the supply of a given resource dwindles, alternative technologies   [#permalink] 22 Apr 2019, 09:33
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