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Senior Manager
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Wood smoke contains dangerous toxins that cause changes in [#permalink]
 16 May 2007, 12:49
Question Stats:
86% (01:53) correct
13% (00:32) wrong based on 7 sessions
Wood smoke contains dangerous toxins that cause changes in human cells. Because woodsmoke presents such a high health risk, legislation is needed to regulate the use of open-air fires and wood-burning stoves. Which of the following, if true, provides the most support for the argument above? (A) The amount of dangerous toxins contained in woodsmoke is much less than the amount contained in an equal volume of automobile exhaust. (B) Within the jurisdiction covered by the proposed legislation, most heating and cooking is done with oil or natural gas. (C) Smoke produced by coal-burning stoves is significantly more toxic than smoke from wood-burning stoves. (D) No significant beneficial effect on air quality would result if open-air fires were banned within the jurisdiction covered by the proposed legislation. (E) In valleys where wood is used as the primary heating fuel, the concentration of smoke results in poor air quality. OG11
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Manager
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I would go with E
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Director
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another E
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Manager
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E by elimination.
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Manager
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E
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Re: CR - wood smoke [#permalink]
17 May 2007, 17:53
Caas wrote: Wood smoke contains dangerous toxins that cause changes in human cells. Because woodsmoke presents such a high health risk, legislation is needed to regulate the use of open-air fires and wood-burning stoves. Which of the following, if true, provides the most support for the argument above? (A) The amount of dangerous toxins contained in woodsmoke is much less than the amount contained in an equal volume of automobile exhaust. (B) Within the jurisdiction covered by the proposed legislation, most heating and cooking is done with oil or natural gas. (C) Smoke produced by coal-burning stoves is significantly more toxic than smoke from wood-burning stoves. (D) No significant beneficial effect on air quality would result if open-air fires were banned within the jurisdiction covered by the proposed legislation. (E) In valleys where wood is used as the primary heating fuel, the concentration of smoke results in poor air quality. OG11Easy E
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CEO
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Ya E
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(A) Irrelevant
(B) Weakens the argument
(C) Irrelevant
(D) Weakens the argument
(E) Yup...here it is!
Give me E!
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Senior Manager
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kripalkavi wrote: (A) Irrelevant
(B) Weakens the argument
(C) Irrelevant
(D) Weakens the argument
(E) Yup...here it is!
Give me E!
yes! (E)
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Senior Manager
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Fine! You all are right 
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Director
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I understand E is the OA and may be the only one close but how does what happens in 'valleys' has anything to do with the stem/question?
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Re: CR - wood smoke [#permalink]
06 Aug 2011, 05:24
the stem says "legislation is needed to regulate the use of open-air fires and wood-burning stoves". Option says "In valleys where wood is used as the primary heating fuel, the concentration of smoke results in poor air quality". Legislation is a way to control the use of wood as a fuel in the valleys.
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Re: Wood smoke contains dangerous toxins that cause changes in [#permalink]
28 Jun 2012, 07:12
Wood is always been a good source of making decoration equipment, It is been used from so many decades. There are also some wonderful wood sculptures which has always been a thing of amaze.
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asaf wrote: I understand E is the OA and may be the only one close but how does what happens in 'valleys' has anything to do with the stem/question? Agree .. valley has nothing to do with health of human being in the first go. IMO E
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asaf wrote: I understand E is the OA and may be the only one close but how does what happens in 'valleys' has anything to do with the stem/question? Remember, in a weaken/strengthen type of question, you take the answer choices as true. 
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Re: Wood smoke contains dangerous toxins that cause changes in [#permalink]
28 Jun 2012, 14:10
All the correct answer has to do is say the following: woodsmoke is dangerous. If an answer choice doesn't say this, we eliminate it. (A) The amount of dangerous toxins contained in woodsmoke is much less than the amount contained in an equal volume of automobile exhaust. This suggests that woodsmoke is not dangerous.
(B) Within the jurisdiction covered by the proposed legislation, most heating and cooking is done with oil or natural gas. Shows that the legislation would be irrelevant. Does not talk about the dangers of woodsmoke. (C) Smoke produced by coal-burning stoves is significantly more toxic than smoke from wood-burning stoves. This answer choice does not back up the idea that woodsmoke is harmful. (D) No significant beneficial effect on air quality would result if open-air fires were banned within the jurisdiction covered by the proposed legislation. Shows that the legislation would not have any effect. (E) In valleys where wood is used as the primary heating fuel, the concentration of smoke results in poor air quality.While not the strongest answer, 'poor air quality' suggests that the woodsmoke is making the air harmful to breathe. Do not worry about the fact that it is in a valley. Any place in which woodsmoke causes the air quality to become poor, suggests that woodsmoke is harmful everywhere. Hope that helps .
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Re: Wood smoke contains dangerous toxins that cause changes in [#permalink]
28 Jun 2012, 21:04
IMO E... plain simple question...
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Re: Wood smoke contains dangerous toxins that cause changes in
[#permalink]
28 Jun 2012, 21:04
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