Hand washing has external health benefits, prevent the spread of communicable diseases. if a program were somehow devised so that people received a small reward every time they washed their hands, we would expect the frequency of hand washing to and the number of people who are sick to .

What does it mean to say that "service sector" jobs are predominant in europe's mixed economies today? a. that jobs where people work in factories predominate b. that jobs where people do something for others predominate c. that jobs where people work the land predominate d. that jobs in government predominate

What nitrogenous bases are found in rna

Which of the following best illustrates the process of the supreme court’s review of a case?