How dose self employment help to enrich economic prosperity of a nation
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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

Which is one important element of romantic literature

Which of the following was not a result of early humans increasing proficiency at finding food