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In several countries, to slow global warming, many farmers are

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In several countries, to slow global warming, many farmers are  [#permalink]

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New post 01 Aug 2017, 09:40
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Question Stats:

71% (01:49) correct 29% (01:59) wrong based on 422 sessions

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In several countries, to slow global warming, many farmers are planting trees on their land because of government incentives. These incentives arose from research indicating that vegetation absorbs carbon dioxide that might otherwise trap heat in the atmosphere. A recent study, however, indicates that trees absorb and store carbon dioxide less effectively than native grasses. Therefore, these incentives are helping to hasten global warming.

The argument requires the assumption that

(A) trees not only absorb carbon dioxide but also emit it
(B) most farmers do not plant any trees on their land unless there is an incentive to do so
(C) land that has been deforested seldom later sustains native grasses
(D) some of the trees planted in response to the incentives are planted where native grasses would otherwise be growing
(E) few if any governments have been interested in promoting the growth of native grasses

Source: LSAT

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Re: In several countries, to slow global warming, many farmers are  [#permalink]

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New post 01 Aug 2017, 11:09
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In several countries, to slow global warming, many farmers are planting trees on their land because of government incentives. These incentives arose from research indicating that vegetation absorbs carbon dioxide that might otherwise trap heat in the atmosphere. A recent study, however, indicates that trees absorb and store carbon dioxide less effectively than native grasses. Therefore, these incentives are helping to hasten global warming.

The argument requires the assumption that

Grass is better than trees when it comes to reducing global warming. Thus, if trees are grown in places where grasses could have been grown, then global warming would increase.

(A) trees not only absorb carbon dioxide but also emit it -This is a fact statement. Irrelevant
(B) most farmers do not plant any trees on their land unless there is an incentive to do so -This is a fact statement. Irrelevant.
(C) land that has been deforested seldom later sustains native grasses -Deforestation is cutting of trees. Argument at hand is planting of trees. Irrelevant.
(D) some of the trees planted in response to the incentives are planted where native grasses would otherwise be growing -Correct. If trees are grown in places where grass could have been grown, then the planting of trees will fasten the process of global warming.
(E) few if any governments have been interested in promoting the growth of native grasses -Irrelevant.
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Re: In several countries, to slow global warming, many farmers are  [#permalink]

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New post 07 Aug 2017, 21:24
I didnot understand this one. Can someone explain this to me
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Re: In several countries, to slow global warming, many farmers are  [#permalink]

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New post 12 Aug 2017, 07:23
Conclusion: Trees help to hasten GW. Premise: Involves the reasoning for the conclusion by comparing Trees with Native Grasses.

A wrong. Only a fact regrading tree is given. Doesn't give a reason as to why trees are detrimental to native grasses.
B wrong. Conclusion doesn't revolve around Incentives. Out of scope.
C wrong. Argument revolves around planting of trees. Not cutting down of trees.
D correct. Some of the trees planted in response to the incentives are planted where native grasses would otherwise be growing. This says that farmers are planting trees more in the greed of incentive,which if not there,the land would have been occupied by Native grasses. So, the more trees,more it helps in hastening GW.
E wrong. Out of scope.
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Re: In several countries, to slow global warming, many farmers are  [#permalink]

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New post 14 Jan 2018, 13:18
Can someone better explain why C is wrong ? I do understand that the argument is about planting trees but shouldn't I consider that farms are deforested lands?

Thx in advance

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Re: In several countries, to slow global warming, many farmers are  [#permalink]

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New post 14 Jan 2018, 19:12
LucasDinizMiranda wrote:
Can someone better explain why C is wrong ? I do understand that the argument is about planting trees but shouldn't I consider that farms are deforested lands?

Thx in advance

Posted from my mobile device

Actually ,author is sayng growing trees would fasten global warming , although we know trees absorbs co2,so we hve to shows how planting trees would fast the globl warmng ,opt D is precise ,thats y C is irrelevant

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Re: In several countries, to slow global warming, many farmers are  [#permalink]

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New post 25 Aug 2018, 00:50
Conclusion: Therefore, these incentives are helping to hasten global warming.

The key term to focus here is 'hasten'.The argument firstly mentions, in the premise, the less effectiveness of trees at absorbing and storing Carbon Dioxide than that of native grasses and then jumps directly over the conclusion saying that these incentives are helping to hasten global warming.This means that the incentives are exacerbating the present situation and which can only happen, as per the argument, if the incentives are actually affecting the current role of native grasses, so that the resultant is more global warming than before.

D states the assumption that is consistent with our thoughts, above.
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Re: In several countries, to slow global warming, many farmers are &nbs [#permalink] 25 Aug 2018, 00:50
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