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The current pattern of human consumption of resources, in [#permalink]  01 Nov 2005, 15:57
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55% (medium)

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37% (02:44) correct 62% (01:32) wrong based on 169 sessions
The current pattern of human consumption of resources, in which we rely on nonrenewable resources, for example metal ore, must eventually change. Since there is only so much metal ore available, ultimately we must either do without or turn to renewable resources to take its place.

Which one of the following is an assumption required by the argument?

(A) There are renewable resource replacements for all of the nonrenewable resources currently being consumed.
(B) We cannot indefinitely replace exhausted nonrenewable resources with other nonrenewable resources.
(C) A renewable resource cannot be exhausted by human consumption.
(D) Consumption of nonrenewable resources will not continue to increase in the future.
(E) Ultimately we cannot do without nonrenewable resources.
[Reveal] Spoiler: OA
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B sounds right here.

We don't know how much nonrenewable resources are out there.
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OA is B. No explanation provided..

But why is B better then A. Per A, the argument holds true only when we assume that we have renewable resource available for nonrenewable resource being consumed.
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I guess the way i thought of it is that finding the alternatives is the goal of the argument not an assumption by it.

But the fact that we must use a renwable resource is in question. If the only argument here that metal ore will run out (i.e. nothing said about hurting the enviroment) why do we have to replace it specifacly with a renwable resource?
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Right, now I can understand.

The argument is that the only way to avoid the consumption of some nonrenewable resources is either to do without or to turn to renewable resources. This is the only way. If we negate B we realise that B is necessary to support the argument. However, if we negate A, the argument can still be valid.
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Right, now I can understand.

The argument is that the only way to avoid the consumption of some nonrenewable resources is either to do without or to turn to renewable resources. This is the only way. If we negate B we realise that B is necessary to support the argument. However, if we negate A, the argument can still be valid.
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hsgmat wrote:
OA is B. No explanation provided..

But why is B better then A. Per A, the argument holds true only when we assume that we have renewable resource available for nonrenewable resource being consumed.

A can be false while argument still holds if we can "do without" non-renewable resources for which there is no reneable replacement.
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Assumption Q-Non renewable [#permalink]  10 Mar 2009, 10:35
18. The current pattern of human consumption of resources, in which we rely on nonrenewable resources, for example metal ore, must eventually change. Since there is only so much metal ore available, ultimately we must either do without or turn to renewable resources to take its place.
Which one of the following is an assumption required by the argument?
(A) There are renewable resource replacements for all of the nonrenewable resources currently being consumed.
(B) We cannot indefinitely replace exhausted nonrenewable resources with other nonrenewable resources.
(C) A renewable resource cannot be exhausted by human consumption.
(D) Consumption of nonrenewable resources will not continue to increase in the future.
(E) Ultimately we cannot do without nonrenewable resources.
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Re: Assumption Q-Non renewable [#permalink]  10 Mar 2009, 11:00
(C) A renewable resource cannot be exhausted by human consumption.

C: We either do without or turn to renewable resources.
E: Human consumption that we rely on such as metal ore must change.

It was between A and C but A was too extreme with the word All.

Hopefully someone has a better clarification.
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Re: Assumption Q-Non renewable [#permalink]  10 Mar 2009, 12:37
money19885 wrote:
(C) A renewable resource cannot be exhausted by human consumption.

C: We either do without or turn to renewable resources.
E: Human consumption that we rely on such as metal ore must change.

It was between A and C but A was too extreme with the word All.

Hopefully someone has a better clarification.

I disagree and will chose B over C

The Conc is saying that we either do with out NR or turn to R

B is saying We cannot indefinitely replace exhausted nonrenewable resources with other nonrenewable resources.

Lets say if we can indefinitely replace NR with other NR. Then we dont need to turn to R and we dont need to do without NR.

C, IMO is the trap and attractive choice, but a wrong one as it brings too much into the issue at hand.
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Re: Assumption Q-Non renewable [#permalink]  10 Mar 2009, 17:23
Tough one for me - spent nearly 4 minutes and chose B.

I guess the key is "either do without (the non renewable resources) or turn to renewable resources to take its place".

If we choose C - Even if the renewable resources were exhausted, we could still use the non-renewable resources. Argument is still valid.

Negating B : If we could replace all exhausted non-renewables with new non-renewables, there is no need to go without non-renewable resources or go for renewable resources.

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Re: Assumption Q-Non renewable [#permalink]  21 Mar 2009, 06:28
18. The current pattern of human consumption of resources, in which we rely on nonrenewable resources, for example metal ore, must eventually change. Since there is only so much metal ore available, ultimately we must either do without or turn to renewable resources to take its place.
Which one of the following is an assumption required by the argument?
(A) There are renewable resource replacements for all of the nonrenewable resources currently being consumed.
(B) We cannot indefinitely replace exhausted nonrenewable resources with other nonrenewable resources.
(C) A renewable resource cannot be exhausted by human consumption.
(D) Consumption of nonrenewable resources will not continue to increase in the future.
(E) Ultimately we cannot do without nonrenewable resources.
In assumption questions sometimes finding an option which eliminates any other causes possible helps.
Here B does the same, it helps us, telling that we cannot replenish NR resources which means we have no other option to use NR and which in turn means that all the possible options(causes) have been eliminated by option B. In fact, this is the strongest assumption we can make because on negation it says that NR can be replenished which means it directly hits the conclusion which says that we should stop using/find other alternative because NR(metal ore) is limited ...
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Re: Assumption Q-Non renewable [#permalink]  21 Mar 2009, 12:21
The current pattern of human consumption of
resources, in which we rely on nonrenewable
resources, for example metal ore, must eventually
change. Since there is only so much metal ore
available, ultimately we must either do without or
turn to renewable resources to take its place.
Which one of the following is an assumption
required by the argument?

(A) There are renewable resource replacements for
all of the nonrenewable resources currently
being consumed.
(B) We cannot indefinitely replace exhausted
nonrenewable resources with other
nonrenewable resources.
(C) A renewable resource cannot be exhausted by
human consumption.
(D) Consumption of nonrenewable resources will
not continue to increase in the near future.
(E) Ultimately we cannot do without nonrenewable
resources.

Premise: There is only so much metal ore available.

Subconclusion/ Premise: Ultimately we must either do without or turn to renewable resources to take its place.

Conclusion: The current pattern of human consumption of resources, in which we rely on
nonrenewable resources, for example metal ore, must eventually change.

At first glance the argument does not seem to have any holes. This would suggest a Defender answer is
coming, and indeed that is the case.

Answer choice (A): The author does not need to assume this statement because the stimulus specifically
indicates that “we must either do without or turn to renewable resources.” Since doing without is an option,
the author is not assuming there are renewable replacements for all nonrenewable resources currently
being consumed.

pattern must change by indicating that it would not be possible to simply replace one nonrenewable
resource with another nonrenewable resource. If this answer did not make sense at first glance, you should
have noted the negative language and then negated the answer. Using the Assumption Negation
Technique, the following would clearly attack the conclusion: “We can indefinitely replace exhausted
nonrenewable resources with other nonrenewable resources.” If the nonrenewable resources can be
indefinitely replaced, why do we need to change our consumption habits?

Answer choice (C): The author’s argument concerns changing current consumption habits. Although the
author does suggest turning to renewable resources, this alone would represent a change. The author does
not make a long-term assumption that renewable resources can never be depleted. When faced with the
negation of the answer choice, the author would likely reply: “If that eventuality does occur, then perhaps
we will have to do without. In the meantime, we still need to change our consumption habits.” As you can
see, the negation has not undermined the author’s position, and so this answer is incorrect.

Answer choice (D): The author does not make statements or assumptions about actual consumption
patterns in the near future, only statements regarding what must eventually occur.

we must have nonrenewable resources.” Because this answer hurts the argument, the answer is incorrect.
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Re: Assumption Q-Non renewable [#permalink]  26 Mar 2009, 15:15
It is B). For Assumption question if we negate the answer choice it weakens the argument and it exactly does that.
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Human reliance on nonrenewable resources [#permalink]  01 Sep 2011, 04:15
The current pattern of human consumption of resources, in which we rely on nonrenewable resources, for example metal ore, must eventually change. Since there is only so much metal ore available, ultimately we must either do without or turn to renewable resources to take its place.

Which one of the following is an assumption required by the argument?

(A) There are renewable resource replacements for all of the nonrenewable resources currently being consumed.
(B) We cannot indefinitely replace exhausted nonrenewable resources with other nonrenewable resources.
(C) A renewable resource cannot be exhausted by human consumption.
(D) Consumption of nonrenewable resources will not continue to increase in the near future.
(E) Ultimately we cannot do without nonrenewable resources.

[Reveal] Spoiler: LSAT OFFICIAL EXPLANATION: (Powerscore)
Answer choice (A): The author does not need to assume this statement because the stimulus specifically indicates that “we must either do without or turn to renewable resources.” Since doing without is an option, the author is not assuming there are renewable replacements for all nonrenewable resources currently being consumed.

Answer choice (B): This is the correct answer. This answer defends the conclusion that the consumption pattern must change by indicating that it would not be possible to simply replace one nonrenewable resource with another nonrenewable resource. If this answer did not make sense at first glance, you should have noted the negative language and then negated the answer. Using the Assumption Negation Technique, the following would clearly attack the conclusion: “We can indefinitely replace exhausted nonrenewable resources with other nonrenewable resources.” If the nonrenewable resources can be indefinitely replaced, why do we need to change our consumption habits?

Answer choice (C): The author’s argument concerns changing current consumption habits. Although the author does suggest turning to renewable resources, this alone would represent a change. The author does not make a long-term assumption that renewable resources can never be depleted. When faced with the negation of the answer choice, the author would likely reply: “If that eventuality does occur, then perhaps we will have to do without. In the meantime, we still need to change our consumption habits.” As you can see, the negation has not undermined the author’s position, and so this answer is incorrect.

Answer choice (D): The author does not make statements or assumptions about actual consumption patterns in the near future, only statements regarding what must eventually occur. Answer choice

(E): This answer, when rephrased to eliminate the double negative, reads as “Ultimately we must have nonrenewable resources.” Because this answer hurts the argument, the answer is incorrect
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The current pattern of human consumption of resources, in [#permalink]  24 Sep 2012, 21:59
The current pattern of human consumption of resources, in which we rely on nonrenewable resources, for example metal ore, must eventually change. Since there is only so much metal ore available, ultimately we must either do without or turn to renewable resources to take its place.
Which one of the following is an assumption required by the argument?

(A) There are renewable resource replacements for all of the nonrenewable resources currently being consumed.
(B) We cannot indefinitely replace exhausted nonrenewable resources with other nonrenewable resources.
(C) A renewable resource cannot be exhausted by human consumption.
(D) Consumption of nonrenewable resources will not continue to increase in the near future.
(E) Ultimately we cannot do without nonrenewable resources.
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Last edited by getgyan on 28 Sep 2012, 02:51, edited 1 time in total.
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Re: The current pattern of human consumption [#permalink]  24 Sep 2012, 23:25
I think its A. Initially thought C. But C is more of a inference.
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Re: The current pattern of human consumption [#permalink]  25 Sep 2012, 03:12
The author concludes that either we do without non renewables or use renewables.
So the correct answer choice should impact either of the above mentioned options.

Option C appropriately provides the assumption that if we have renewables replacement for all the non renewable items, than only the conclusion of the argument could be valid.
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Re: The current pattern of human consumption [#permalink]  25 Sep 2012, 05:43
My answer for the question is B. option B states "We cannot indefinitely replace exhausted nonrenewable resources with other nonrenewable resources". If we use negation technique and negate this option then argument falls apart
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Re: The current pattern of human consumption [#permalink]  25 Sep 2012, 08:22
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getgyan wrote:
The current pattern of human consumption of resources, in which we rely on nonrenewable resources, for example metal ore, must eventually change. Since there is only so much metal ore available, ultimately we must either do without or turn to renewable resources to take its place.
Which one of the following is an assumption required by the argument?

(A) There are renewable resource replacements for all of the nonrenewable resources currently being consumed. this cannot be an assumption as the author states we can do without them also, therefore question of all resources being replacable doesnt arise
(B) We cannot indefinitely replace exhausted nonrenewable resources with other nonrenewable resources. looks like the correct answer, if we negate this the argument falls. i.e if we have indefinite replacement the argument fails.
(C) A renewable resource cannot be exhausted by human consumption.out of context
(D) Consumption of nonrenewable resources will not continue to increase in the near future. out of context
(E) Ultimately we cannot do without nonrenewable resources. out of context

Re: The current pattern of human consumption   [#permalink] 25 Sep 2012, 08:22
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