VHow did hunter-gatherers learn to use the natural environment?

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

Read the quote by jane addams. "the settlement then, is an experimental effort to aid in the solution of the social and industrial problems in a great city." which of the following best describes what addams meant by the settlement"? chicago immigration hull house the social gospel

What was one step that charlemagne took to unite his kingdom? a. he chose a single strong heir to inherit his throne. b. he drove muslim forces out of europe. c. he created and supported schools. d. he declared himself head of the catholic church.