the most fit solution for this question is A for the followiong reasons.....if B true this solution would address only to the first part of the passage and would mean less air polluted but does not help us to weaken the argumentation that states the partial responsability of industrial decline on air pollution,
C noes not help to weaken the argumentneither because that 5% of industries could have made up more than the 50% weighting a lot,... so is out
D uhm out strenghten the argument support the fact that less air polluted is is consequence of less companies
E out low risk to be charged strenghten argumentation
Which of the following, if true, would most seriously weaken the conclusion drawn in the passage above?
(A) During the last ten years, economic conditions in the nation as a whole have been worse than those within the state.
(B) Amendments to the Clean Air Act that were enacted six years ago have substantially strengthened its restrictions on industrial air pollution.
(C) Of the businesses that ceased operating in the state during the last ten years, only 5 percent were engaged in air-polluting industries.
(D) Several large corporations left the state during the last ten years partly in order to avoid compliance with the Clean Air Act.
(E) Due to its small budget, the state office charged with enforcement of the Clean Air Act has prosecuted only two violators of the law since its passage.
â€œIf money is your hope for independence you will never have it. The only real security that a man will have in this world is a reserve of knowledge, experience, and ability.â€