Under which of the following conditions is it most beneficial to use a heuristic approach to solve a problem?
1) when the problem can be solved in a reasonable time and an approximate solution is acceptable. 2) when the problem can be solved in a reasonable time that an exact solution is needed. 3) when the problem cannot be solved in a reasonalbe time and an approximate solution is acceptable. 4) when the problem cannot be solved in a reasonable time an exact solution is needed.

With an american government question

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.

What kind of geography deals with people and how they affect the world ?