Help me with this s. s. question

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases

Sailors went to special school to learn how to use the new technology that would them sail far distences. the school we know about was

Growth of the business (be sure to use the terms “culture” and “cultural diffusion” in this section.) of debbie fields. plz me