[Solved] Which of the following are true regarding the Internet and sexual risks: A)25 percent of adolescents unintentionally encounter pornography B)pornography often makes adolescents upset or embarrassed C)like anything habit-forming, even accidental exposure to pornography can create addiction D)all of the above Simple Structure: A centralized form of organization that emphasizes a small technical and support staff, strong centralization of decision-making in the upper echelon, and a minimal middle level. Upper Echelon: A top-level executive team in an organization. Vertical Differentiation: The organization of a company's hierarchy levels to distinguish roles and responsibilities across different ranks. Complexity: The degree to which many different types of activities occur in the organization.