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# Proposal: Carbon dioxide and methane in the atmosphere block

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Proposal: Carbon dioxide and methane in the atmosphere block [#permalink]

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02 Nov 2012, 23:21
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Proposal: Carbon dioxide and methane in the atmosphere block the escape of heat into space. So emission of these “greenhouse” gases contributes to global warming. In order to reduce global warming, emission of greenhouse gases needs to be reduced. Therefore, the methane now emitted from open landfills should instead be burned to produce electricity.

Objection: The burning of methane generates carbon dioxide that is released into the atmosphere.

Which of the following, if true, most adequately counters the objection made to the proposal?

(A) Every time a human being or other mammal exhales, there is some carbon dioxide released into the air.
(B) The conversion of methane to electricity would occur at a considerable distance from the landfills.
(C) The methane that is used to generate electricity would generally be used as a substitute for a fuel that does not produce any greenhouse gases when burned.
(D) Methane in the atmosphere is more effective in blocking the escape of heat from the Earth than is carbon dioxide.
(E) The amount of methane emitted from the landfills could be reduced if the materials whose decomposition produces methane were not discarded, but recycled.
[Reveal] Spoiler: OA

Last edited by PiyushK on 15 Dec 2014, 04:20, edited 1 time in total.
Added OA.
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Re: Proposal: Carbon dioxide and methane in the atmosphere block [#permalink]

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03 Nov 2012, 00:16
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Re: Proposal: Carbon dioxide and methane in the atmosphere block [#permalink]

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18 Apr 2014, 13:51
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Proposal: Carbon dioxide and methane in the atmosphere block [#permalink]

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18 Apr 2014, 13:52
Dude! Use a freaking spoiler ok?

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Re: Proposal: Carbon dioxide and methane in the atmosphere block [#permalink]

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26 Sep 2015, 08:41
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Proposal: Carbon dioxide and methane in the atmosphere block   [#permalink] 26 Sep 2015, 08:41
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# Proposal: Carbon dioxide and methane in the atmosphere block

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