Under which marital form can a woman have several husbands at the same time?

What are the most populous and least populous areas of russia? and why are some areas more heavily populated than others?

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is:

How does religion most impact the culture of southwest asia answer asap