I love it when two things connect. I'm really good at making those connections. Let's face it, with out me North America and South America would be such close friends. Who am I?

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

Public opinion is of most value when the people who hold an opinion that opinion.

Did separate black churches make african americans in the north more free or less free?