Jack is checking his ambulance tires. He decides to check for tread depth using the Penny Technique. Jack puts the penny in one tread groove. He observes that there is no space visible between Lincoln’s head and the edge of the coin. What other method could be used to check tire tread depth?

What does this quotation from the introduction of thedeclaration of independence do?

The belmont principle of beneficence requires that: a. subjects derive individual benefit from study participation. b. potential benefits justify the risks of harm. c. the study makes a significant contribution to generalizable knowledge. d. risks are managed so that they are no > minimal.

Most sociologists agree that: a. culture is central in shaping gender roles, but only in preliterate societies. b. biological factors have some influence, but cultural factors are more important determinants of gender roles. c. biological factors are influential in determining gender roles, but only in industrial or complex societies. d. biological factors only explain differences between men and women with regard to aggression and disease. e. there is no difference between the influences of culture or biology on the development of gender roles, as they are unpredictable.