Why industrialist is wrong?
Well, he just said residents are not scientists so the emission of gases are not harmful. But is the industrialist himself is a Scientist? No. He need a scientist to clarify whether the emitted gases from his industry posses any risk?
(A) impugns the motives of the residents rather than assessing the reasons for their contention (there is no motive discussed of residents as such, they just made a Statement. Implying motive is out of context) (Incorrect)
(B) does not consider the safety of emissions from other sources in the area (other sources are not discussed) (Incorrect)
(C) presents no testimony from scientists that the emissions are safe (industrialist need scientist testimony to prove himself) (Keep this)
(D) fails to discuss the benefits of the factory to the surrounding community (The question is about the negative impact of emission, not advantages of industry) (Incorrect)
(E) equivocates between two different notions of the term “health risk (there are no two definition for "Health risks" to put in consideration) (Incorrect)
Answer is C
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