Radio came of age as an advertising medium in 1926, with the formation of the NBC and CBS radio networks that depended exclusively on advertising revenues

In the advisory group, Keiko asks for proposal details in

order to make the discussion less ambiguous. In this group, Keiko is playing the role of a. standard setter. b. coordinator. c. evaluator. d. clarifier.

Contact between cultures transforms people’s lives. Over time, a new cultural form that combines elements of other cultures may emerge. This process is referred to as:

A. Diffusion. B. Convergence. C. Colonialism. D. hybridization.