which of the following could be placed in the area labeled a?
its members serve either two- or six-year terms.
its members get to engage in judicial review.
its members get to direct foreign policy.
there are 50 members in each of its two houses.

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

How did the romanov dynasty increase russia's power? need many details, you!

Carbon tetrachloride is a toxic liquid. a carbon tetrachloride molecule has one atom of carbon and four atoms of chlorine. what is its chemical formula?