LSAT

Category - Logical Reasoning

This September, as a part of an initiative to protect the environment, the state of West Dakota banned citizens from using wood fireplaces unless the temperature falls below 20 degrees Fahrenheit. In the three months following the new regulations, the level of air pollution increased in West Dakota.

Each of the following, if true, would contribute to an explanation of the increase in air pollution EXCEPT:
  1. West Dakota experienced unseasonably cold weather following the regulation, averaging 10 degrees Fahrenheit each day.
  2. A province of West Dakota faced a raging wildfire for more than three weeks in October.
  3. Many citizens turned to using a wood stove to heat their homes, but wood stove emissions are higher than those of wood fireplaces.
  4. West Dakota is home to an anti-government militia that protested the ban by openly violating the regulation and burning firewood every day.
  5. The price of firewood is fixed in the state.
Explanation
Answer: E - That the price of firewood is fixed in the state is not directly relevant to the rate of fire wood usage in the state. A, B, C, and D would all contribute to an explanation for the rise in air pollution but E does not. Answers A and D explain how citizens are still burning firewood and contributing to emissions even after the new regulation. B and C explain how the increase in emissions could be attributed to other sources.
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