This element of the communication model represents the medium used to transmit the communication

What is the name for a magazine published by a manufacturer to plug a single line of products?

A) viral mag B) ‘zine C) product placement D) plugger

Jacob defined the term intelligence by citing a leading researcher in the field's explanation of the concept. He is using a definition by

A) authority. B) negation. C) specific examples. D) testimony.