Why was it important that all 13 states ratify the constitution

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?

Put the following steps for calculating net worth in the correct order. step #1: step #2: step #3: step #4: step #5:

What word means having a variety of cultures in the same area? a. cultural diversity b. culture region c. popular culture d. population density