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Kanoon`s citizens are losing the region`s beautiful native flowers

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Kanoon`s citizens are losing the region`s beautiful native flowers  [#permalink]

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New post 10 Aug 2019, 12:36
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Question Stats:

49% (01:57) correct 51% (01:56) wrong based on 93 sessions

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Kanoon`s citizens are losing the region`s beautiful native flowers and plants because of introduced nonnative species. A satisfying way to help reverse this dismal trend would be to choose regionally native plants for our urban and suburban backyards, gardens, and public landscapes.

Which of the following, if true, most significantly undermines the reasoning above?

A. Natural herbicides can be used to reduce several nonnative plant species.
B. Most plants native to Kanoon use substantial amounts of water, a resource now fairly scarce in the region
C. Using native plants has been shown to be an effective means to combat invasive nonnative plants.
D. Lystriatic Beetles, which feed on the roots of several of the most virulent nonnative plants, could be a promising alternative to combat nonnative plants.
E. The nonnative plants growing in Kanoon are extremely invasive and now reproduce heartily throughout the region even after being removed or replaced by other plants.

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Kanoon`s citizens are losing the region`s beautiful native flowers  [#permalink]

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New post 10 Aug 2019, 13:01
DiyaDutta wrote:
Kanoon`s citizens are losing the region`s beautiful native flowers and plants because of introduced nonnative species. A satisfying way to help reverse this dismal trend would be to choose regionally native plants for our urban and suburban backyards, gardens, and public landscapes.


The argument would be undermined if we somehow know that growing native to combat non-native is not going to help

Which of the following, if true, most significantly undermines the reasoning above?

A. Natural herbicides can be used to reduce several nonnative plant species. - Out of Focus
B. Most plants native to Kanoon use substantial amounts of water, a resource now fairly scarce in the region- Warps the information. Provides external information- usually not accepted in CR
C. Using native plants has been shown to be an effective means to combat invasive nonnative plants.- 180 degree. This option rather strengthens the argument
D. Lystriatic Beetles, which feed on the roots of several of the most virulent nonnative plants, could be a promising alternative to combat nonnative plants.- Warps the information
E. The nonnative plants growing in Kanoon are extremely invasive and now reproduce heartily throughout the region even after being removed or replaced by other plants- Bingo! If the non native are extremely invasive then growing more native wont help
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Re: Kanoon`s citizens are losing the region`s beautiful native flowers  [#permalink]

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New post 11 Aug 2019, 10:28
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Please help to explain the OA Option E over option B?
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Re: Kanoon`s citizens are losing the region`s beautiful native flowers  [#permalink]

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New post 12 Aug 2019, 01:34
sunny91 I shall try to help you out here
Can you help me out with the exact question you want an explanation for?
Meanwhile have you gone through the explanation I have provided in the correspondence above
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Re: Kanoon`s citizens are losing the region`s beautiful native flowers  [#permalink]

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New post 12 Aug 2019, 02:57
aggvipul wrote:
sunny91 I shall try to help you out here
Can you help me out with the exact question you want an explanation for?
Meanwhile have you gone through the explanation I have provided in the correspondence above


aggvipul,
Option E states -The nonnative plants growing in Kanoon are extremely invasive and now reproduce heartily throughout the region even after being removed or replaced by other plants.
My problem with E is what if the non native plants are not planted only in the backyards, urban gardens etc. We are assuming that urban and suburban backyards, gardens, and public landscapes are occupied with non native plants. Wat if the non native plants occupy areas other than this.
Option B states that native plants need water in good amount and the availability of water is scarce. So, this option weakens the argument stating that chances are high that native plans will fail to survive if planted in backyards, gardens etc.
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Re: Kanoon`s citizens are losing the region`s beautiful native flowers   [#permalink] 12 Aug 2019, 02:57
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