June 2007 LSAT Section 2 Question 5

Scientist: Earth's average annual temperature has increased by about 0.5 degrees Celsius over the last century. This ...

scott4 on June 11, 2017

Alternate cause

The video states that c could be an alternate cause if it compared the solar radiation to previous centuries, but even if that were so wouldn't it have to state that solar radiation leads to the earths warming? I'm not denying that solar radiation does so but can test takers make that assumption on the LSAT without it being stated?

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Mehran on June 12, 2017

@scott4 no, it would not. Remember, this is not a Must Be True question.

If the Earth received more solar radiation over the last century than the previous century, it would weaken the scientist's argument by pointing out a possible alternative cause for the observed effect.

Hope that helps! Please let us know if you have any other questions.