Ineed some information about ancient mesopotamia and specialized jobs, to write a rap for school obvi

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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 following force measurements were taken during actual testing of the lever pictured. what is the ama of this lever?

An unsuccessful attempt at cooperation among the colonies was