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# Proposal: Carbon dioxide and methane in the atmosphere block

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SVP
Joined: 28 May 2005
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Location: Dhaka
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Proposal: Carbon dioxide and methane in the atmosphere block [#permalink]

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19 Dec 2005, 05:00
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Proposal: Carbon dioxide and methane in the atmosphere block the escape of heat into space. So emission of these â€œgreenhouseâ€
_________________

hey ya......

Director
Joined: 17 Dec 2005
Posts: 547
Location: Germany
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Kudos [?]: 40 [0], given: 0

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19 Dec 2005, 07:53
I think it's D, because

the proposal states that methan should be burned, which would yield energy, instead of warming up the atmosphere when rising up from landfills, but the objection counters that burned methan becomes carbon dioxide, another greenhouse gas, thus would in fact bring no improvement to the situation.

But if carbon dioxide is less contributing to the warmhouse effect, as D states, the proposal would be strengthened.

This one is tricky, if one overlooks the actual meaning of C. Therein it is stated that methan ( or the energy it can provide) would be a substitute for a fuel, which does not contribute to the greenhouse effect.
SVP
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19 Dec 2005, 09:17
Senior Manager
Joined: 09 Aug 2005
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19 Dec 2005, 09:40
Yes , D IMO.

Only D reduces the sum of gases - offcourse we assume that equal amount of CO2 is released - which is less effective in (global) warming
SVP
Joined: 28 May 2005
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Location: Dhaka
Followers: 8

Kudos [?]: 373 [0], given: 0

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23 Dec 2005, 12:36
OA is D.
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hey ya......

23 Dec 2005, 12:36
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