How does one eye react when he sees kiche has had cubs in the book white fang

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

Like many cities in the south, atlanta was poorly prepared to meet the emergency of the great depression.  which statement  bestdescribes how atlanta was poorly prepared?

One of the results of the 2010 golf of mexico oil spill is the threat to various species in the goths ecosystem it disturbed and in some cases forever altered the of the gulf coast