Answer:
living things changes over time
Comparative advantage.
The production of a good or performance of a skill for which a person is best suited is what is termed comparative advantage. Or, on a national level, the production of goods for which a nation's resources are best suited is comparative advantage.
Absolute advantage refers to one person (or one nation) having a consistent advantage over another in making a particular product efficiently and best.
The Civil Service Commission ended the spoils system by "(B) requiring anyone applying for a government job to take a competitive <span>exam," since this helped do away with much of the favoritism what had plagued government work in the past. </span>
During the 1960 debates between Kennedy and Nixon, Americans for the first time are able to watch the debates on television, or even listen to it on the radio. Over 70 million people listened to watch the debate between the two candidates.