[Solved] Models in advertising are often A) encouraging illicit consumer behavior. B) encouraging compulsive consumption. C) older, more seasoned stars. D) idealized body images. E) porn stars as well, linking consumption with sex addiction. Biconditional: A logical statement where both parts must be true or false together; often expressed as "if and only if." Self-Contradictions: Statements or propositions that are inherently inconsistent with themselves, meaning they cannot both be true in the same context or under the same conditions. Main Components: The principal or most important parts that make up a system, machine, or composition. Biconditional: A logical statement combining two conditions where each implies the other; written as "if and only if."