[Solved] Which of the following is true of dreams? A) Men are equally likely to dream of children as are women. B) Men dream about men twice as often as they dream of women. C) Americans seldom dream of being naked in public. D) Male dreams are more likely to feature friendly exchanges rather than hostility. E) Adults are more likely than children to dream of large, threatening animals. Work Force: The total number of people available to work, including both the employed and those seeking employment in a particular country or region. Comparative Advantage: An economic theory that explains how countries or entities can gain by specializing in the production of goods and services they can produce more efficiently than others and trading for those they produce less efficiently. Productivity: The measure of the efficiency of production, often quantified as the ratio of output to inputs used in the production process. Opportunity Costs: The cost of an alternative that must be forgone in order to pursue a certain action; essentially, the benefits you could have received by taking an alternative action.