Final answer:
The potential harms to participants in a survey about sexual attitudes, beliefs, and practices are breach of privacy, psychological discomfort, and stigmatization. Physical injury is not a potential harm in this context.
Step-by-step explanation:
The potential harms to participants in a survey about sexual attitudes, beliefs, and practices that are listed as options are breach of privacy, psychological discomfort, physical injury, and stigmatization. All of these potential harms can affect the participants in different ways. However, the only option listed that is not a potential harm is c) Physical injury. Surveys about sexual attitudes, beliefs, and practices should not cause physical injury to the participants.