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# Some cleaning fluids, synthetic carpets, wall paneling, and other prod

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Senior RC Moderator
Joined: 02 Nov 2016
Posts: 3454
GPA: 3.39
Some cleaning fluids, synthetic carpets, wall paneling, and other prod  [#permalink]

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31 Jul 2019, 19:37
00:00

Difficulty:

45% (medium)

Question Stats:

63% (01:32) correct 37% (01:53) wrong based on 54 sessions

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Some cleaning fluids, synthetic carpets, wall paneling, and other products release toxins, such as formaldehyde and benzene, into the household air supply. This is not a problem in well-ventilated houses, but it is a problem in houses that are so well insulated that they trap toxins as well as heat. Recent tests, however, demonstrate that houseplants remove some household toxins from the air and thereby eliminate their danger. In one test, 20 large plants eliminated formaldehyde from a small, well-insulated house.

The passage is structured to lead to which one of the following conclusions?

(A) Houseplants can remove benzene from the air.

(B) Nonsynthetic products do not release toxins into houses.

(C) Keeping houseplants is an effective means of trapping heat in a poorly insulated house.

(D) Keeping houseplants can compensate for some of the negative effects of poor ventilation.

(E) The air in a well-insulated house with houseplants will contain fewer toxins than the air in a well-ventilated house without houseplants.

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Senior RC Moderator
Joined: 02 Nov 2016
Posts: 3454
GPA: 3.39
Some cleaning fluids, synthetic carpets, wall paneling, and other prod  [#permalink]

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03 Aug 2019, 04:21
+1 Kudos to best explanations
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Some cleaning fluids, synthetic carpets, wall paneling, and other prod   [#permalink] 03 Aug 2019, 04:21
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