PT 7 S4 Q8

   George: Some scientists say that global warming will ... ...

Which one of the following would it be most relevant to investigate in evaluating the conclusion of George's argument?
(A) whether carbon dioxide is the only cause of global warming
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: "Weaker" Questions, Set 2 - "Evaluation" Subset