This is an example of exchange theory.
In sociology, exchange theory has to do with maximizing benefits while also minimizing costs. When applied to Bill and Cathy's situation, they are taking advantage of each other's skills in order to minimize costs - Bill can cook and Cathy can't (so they can prepare food on their own) and Cathy can repair stuff and Bill can't (so they don't have to get a handyman).
The correct answer would be, 13%.
US residents born outside the United States represents about 13% of the population, which is more than three times the percentage in 1970.
Explanation:
It is quite normal for people to travel around the world. People go on vacations, or to some other countries to meet their relatives or friends. During these trips, they may give birth to their children.
So according to an estimate, almost 13% of the residents of United States are born outside the country. This percentage has increased since 1970. More than three times increase has been seen in this percentage.
Learn more about US Population at:
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<span>The question says.' a child development associate certificate is initially valid for 3 years. After that it needs to be renewed every............. The correct option is D. The certificate expire after every three years and thus has to be renewed every three years, according to the latest government directive.</span>
D)They traveled in harsh, crowded conditions
Answer: Master budget
Explanation: The main budget is the set of all budgets in all necessary areas of the company, that is, the set of all smaller budgets, and the main budget determines all aspects of the company's business, from future sales, volume and type of production, future purchases, costs, investments, etc. The main budget is a comprehensive document concerning all of the above related to the overall business of the company. It is precisely a management tool, with which it manages throughout the company and presets goals, directs resources, coordinates activities, etc.