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Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

How does public opinion differ on foreign and domestic policy issues? how does this affect the policy- making process?

Which organisims can cause diseases a. micro organisims b. multicellular organisnims c. both d. neither