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Discuss the five propositions in Boyd and Richerson's (2005) theory of cultural evolution.
Timely
Occurring at a suitable or opportune time; being prompt and efficient.
Relevant
Closely connected or appropriate to the matter at hand.
U.S. Census Bureau
A principal government agency responsible for collecting and providing data about the people and economy of the United States.
Cellular Phones
Portable electronic devices that enable voice and data communication over a network of distributed base stations.
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