December 2009 LSAT
Section 3
Question 25
Mehran on September 26, 2014
This is a cause and effect argument. The observed effect that the author is trying to explain is why water rather than ice filled the Earth's oceans about 3 billion years ago when the Sun was only 80 percent as luminous as it is currently.Meredith on September 22, 2019
I'm still confused as to how B weakens the argument.