What is the capital city of mongolia

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

Identify a strategy for improving self-perception and the perception of others.

Which type of fungus is shown in the diagram