I understood the question and the answer choice for the question, but how do i rule out the possibility that the first sentence is not the main conclusion of the argument? It seems as though it is supported by the therefore test. While doing this question, i thought that the sentence following the S...

I understand why D is the correct answer, because it is strengthening the blood/bones comparison between the bears. But, i do not understand why E is incorrect. If the level of heavy nitrogen of any bear fed a meat enriched diet is the same as that in the bones of any other meat eating bear, then th...

I'm not sure that i agree with Patrick on this explanation. (Although this is the first time I've ever disagreed with Patrick), i think that C can be the correct answer choice without the "needed" assumptions that follow the above explanation. C is simply pointing out that the appliances a...

Can’t you contropose P1 to line up with (A)? If you take the contrapositive of P1, you get ~Reduce Taxes on Imports -> ~Benefit many consumers in Domestic economy... Since the conclusion we are trying to prove is "~Reduce taxes on imports", we need this term to be in the necessary of a...