Many people who immigrated to the united states during the gilded age

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?

The patriot act made it easier for law enforcement agencies to conduct surveillance under certain circumstances true or false

From where do ocean waves obtain their energy