Why is it difficult to develop a clear definition of emotional disabilities? a. emotional and behavior disorders usually occur in isolation. b. most children are well behaved. c. there is a clear definition of what constitutes good mental health. d. norms for appropriate behavior differ across cultures.

True. you know, tools like shovels.

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.