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06 Jan 2026, 10:37
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
69% (01:35) correct
31%
(02:03)
wrong
based on 168
sessions
History
Date
Time
Result
Not Attempted Yet
This year, pollution levels, particularly in downtown areas, reached such alarming levels that city councils in several states established temporary exhaust control points on the highways feeding inner city areas. This led to an immediate drop in the number of people suffering from asthma. As a result, several councils have decided to make the exhaust control points a permanent feature.
The decision to make the exhaust control points a permanent feature on highways is based on which of the following assumptions?
(A) All highways pass through the outskirts of downtown areas, which are uninhabitable areas.
(B) Prolonged exposure to pollution causes asthma.
(C) A variation of Asian flu prevalent in downtown areas has the same symptoms as acute asthma.
(D) A newly available mask does not reduce the risk of acquiring asthma from pollution.
(E) The company running the exhaust checks is paid according to the number of defective vehicles detected.
The decision to make the exhaust control points a permanent feature on highways is based on which of the following assumptions?
(A) All highways pass through the outskirts of downtown areas, which are uninhabitable areas.
(B) Prolonged exposure to pollution causes asthma.
(C) A variation of Asian flu prevalent in downtown areas has the same symptoms as acute asthma.
(D) A newly available mask does not reduce the risk of acquiring asthma from pollution.
(E) The company running the exhaust checks is paid according to the number of defective vehicles detected.
06 Jan 2026, 10:48
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Carcass
Answer: B
Conclusion: make the exhaust control points permanent.
Evidence: once the control points were set up, asthma cases immediately dropped.
For that evidence to support the conclusion, the argument must assume a causal link: reducing vehicle emissions and pollution reduces asthma (or asthma attacks). That is exactly what B supplies.
Why the others are not required
A Where highways run is irrelevant to whether emissions affect asthma.
C Suggests the “asthma” drop could be misdiagnosed flu, which undermines rather than supports the plan.
D Whether masks help is unrelated to whether cutting emissions helps.
E The contractor’s incentives do not determine whether the control points improve health outcomes.
13 Jan 2026, 03:16
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Here's the Correct answer:
B. Long-term exposure to pollution results in asthma.
Why (B) is the assumption
The argument goes something like this:
Action taken: Set up temporary exhaust control points.
Observed outcome: An instant decrease in asthma cases.
Decision: The points for exhaust control will be permanent.
The city councils would, therefore, be assuming in their justification that the cause of asthma includes pollution so it will reduce in the future upon exhaust checks.
That's exactly what option (B) says.
Why the other options won't work
(A) One speaks of highways and uninhabitable outskirts, which are irrelevant to either asthma or pollution.
(C) Indicates that asthma symptoms are really flu; this would be a weakening argument.
D Refers to masks — irrelevant to the exhaust control points.
(E) Discusses company incentives — irrelevant to the health-based reasoning.
B. Long-term exposure to pollution results in asthma.
Why (B) is the assumption
The argument goes something like this:
Action taken: Set up temporary exhaust control points.
Observed outcome: An instant decrease in asthma cases.
Decision: The points for exhaust control will be permanent.
The city councils would, therefore, be assuming in their justification that the cause of asthma includes pollution so it will reduce in the future upon exhaust checks.
That's exactly what option (B) says.
Why the other options won't work
(A) One speaks of highways and uninhabitable outskirts, which are irrelevant to either asthma or pollution.
(C) Indicates that asthma symptoms are really flu; this would be a weakening argument.
D Refers to masks — irrelevant to the exhaust control points.
(E) Discusses company incentives — irrelevant to the health-based reasoning.
Carcass
