How did italy's geography the rise of rome?

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

What was the main idea behind the daoist religion? a. everyone's life was guided by moral behavior. b. to live peacefully meant to live a life of suffering. c. family should be put above all else. d. all things should follow the flow of nature.