Where were root vegetables found

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

Why is it necessary to obey social norms? write briefly.

The patriot act made it easier for law enforcement agencies to conduct surveillance under certain circumstances true or false