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I just don't know how to solve this problem. Basically I used premise/conclusion strategy to solve this problem and ended up with answer A. Since "the most critical thing in CR is to find the conclusion" , I think sentence 4 is the conclusion, it is like if you are going to state the trend...

by mcmebk

Mon Aug 12, 2013 9:42 am
Forum: Critical Reasoning
Topic: Plant scientists--- gmat prep
Replies: 14
Views: 5566

I have been tossing around between B/D. As for B, my thinking process is: Comparing with plants planted outdoors, plants within the greenhouse grow in a SO2 free environment. The fact that both of the plants grow much more quickly than those planted outside give a strong evidence that "SO2 caus...

by mcmebk

Mon Aug 12, 2013 9:36 am
Forum: Critical Reasoning
Topic: Greenhouse effect - Sulphur dioxide - Evaluations!!
Replies: 14
Views: 4926