Critical Reasoning (CR) | Re: Sam: During recessions, unemployment typically rises.

Sam: During recessions, unemployment typically rises. Thus, air pollution due to automobile exhaust decreases during a recession, since fewer people com-mute in cars to jobs and so cars emitting pollutants into the air are used less.

Here is the core of Sam's argument:

Premise: Fewer people commute to jobs in car => Less pollutants inair
Conclusion: Air Pollutiondue to automobile exhaust decreases

A : People who have never been employed drive no less frequently during a recession than
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