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07 Dec 2017, 09:28
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
72% (02:04) correct
28%
(02:12)
wrong
based on 577
sessions
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All laundry detergents contain surfactants, which can harm aquatic life. However, the environmental effects of most ingredients in laundry detergents, including most of those in so-called "ecologically friendly" detergents, are unknown. Therefore, there is no reason to suppose that laundry detergents advertised as ecologically friendly are less damaging to the environment than other laundry detergents are.
Which one of the following, if true, most weakens the argument?
(A) Laundry detergents that are advertised as ecologically friendly contain much lower amounts of surfactants, on average, than do other laundry detergents.
(B) There is no reason to suppose that most of the ingredients in laundry detergents not advertised as ecologically friendly harm the environment significantly.
(C) Different kinds of laundry detergents contain different kinds of surfactants, which differ in the degree to which tlhey could potentially harm aquatic life.
(D) There is reason to suppose that ingredients in laundry detergents other than surfactants harm the environment more than surfactants do.
(E) Laundry detergents advertised as environmentally friendly are typically less effective than other detergents, so that larger amounts must be used.
LSAT
Which one of the following, if true, most weakens the argument?
(A) Laundry detergents that are advertised as ecologically friendly contain much lower amounts of surfactants, on average, than do other laundry detergents.
(B) There is no reason to suppose that most of the ingredients in laundry detergents not advertised as ecologically friendly harm the environment significantly.
(C) Different kinds of laundry detergents contain different kinds of surfactants, which differ in the degree to which tlhey could potentially harm aquatic life.
(D) There is reason to suppose that ingredients in laundry detergents other than surfactants harm the environment more than surfactants do.
(E) Laundry detergents advertised as environmentally friendly are typically less effective than other detergents, so that larger amounts must be used.
LSAT
07 Dec 2017, 19:59
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The argument here is, that surfactants harm the environment. So if surfactant is less in a detergent then it will cause less harm. We have to find an option that matches this.
A seems to be the right option for that.
A
Sent from my ONEPLUS A3003 using GMAT Club Forum mobile app
A seems to be the right option for that.
A
Sent from my ONEPLUS A3003 using GMAT Club Forum mobile app
KeyurJoshi
GMAT 1: 710 Q49 V38
Posts: 143
19 Nov 2020, 02:26
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Conclusion: Ecologically friendly can be equally damaging or more damaging than other laundry detergents
(A) Laundry detergents that are advertised as ecologically friendly contain much lower amounts of surfactants, on average, than do other laundry detergents. - Correct. Reason to believe that they are LESS damaging.
(B) There is no reason to suppose that most of the ingredients in laundry detergents not advertised as ecologically friendly harm the environment significantly. - No effect on the argument.
(C) Different kinds of laundry detergents contain different kinds of surfactants, which differ in the degree to which tlhey could potentially harm aquatic life. - What degrees are used in ecologically friendly ones and other detergents is unknown.
(D) There is reason to suppose that ingredients in laundry detergents other than surfactants harm the environment more than surfactants do. - Does not affect the argument.
(E) Laundry detergents advertised as environmentally friendly are typically less effective than other detergents, so that larger amounts must be used. - Amount to be used is irrelevant.
(A) Laundry detergents that are advertised as ecologically friendly contain much lower amounts of surfactants, on average, than do other laundry detergents. - Correct. Reason to believe that they are LESS damaging.
(B) There is no reason to suppose that most of the ingredients in laundry detergents not advertised as ecologically friendly harm the environment significantly. - No effect on the argument.
(C) Different kinds of laundry detergents contain different kinds of surfactants, which differ in the degree to which tlhey could potentially harm aquatic life. - What degrees are used in ecologically friendly ones and other detergents is unknown.
(D) There is reason to suppose that ingredients in laundry detergents other than surfactants harm the environment more than surfactants do. - Does not affect the argument.
(E) Laundry detergents advertised as environmentally friendly are typically less effective than other detergents, so that larger amounts must be used. - Amount to be used is irrelevant.
