Which aspect of friendship is present between friends at any point in the life span?

Which effect does an increase in a country’s literacy rate have on the people who live there?

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

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.