Families have not always arranged themselves in what we currently consider to be the nuclear family e. g. mom, dad, and kids. This is a newer family form in history. According to the text, which major event lead to the
formation of the nuclear family?

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?

When recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous years?

Which type of learning occurs when you observe how other people act?