Rashtrakuthas terretory reached its zenith under the ruler

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 of the following contributed most to making the items listed in the box

What was the social class pyramid during the civil war?