Practice Quiz

LSAT

Category - Logical Reasoning

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Oil is necessary for many aspects of modern life, yet it is a limited resource, and we will one day run out. Therefore, unless we find enough untapped oil reserves to continue fueling our modern lifestyle, we will one day have to live at a standard below that which we enjoy today.

Which of the following, if true, most seriously weakens the argument?
  1. Unlike oil, some vital resources are renewable.
  2. It is possible to find alternative renewable fuel sources to substitute for oil.
  3. It is possible that our modern lifestyle is not desirable and we would be better off with a simpler standard of living.
  4. It will be at least a few hundred years before we run out of our oil supply.
  5. Oil is not necessary to run every aspect of modern day life.
Explanation
Answer: B - The possibility of renewable energy sources replacing oil most seriously weakens the author’s argument. The passage argues that we will not be able to sustain our modern lifestyle once oil is gone, but if there are suitable alternatives to oil, we could still maintain modern day amenities.
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