What are the two purposes of informal meetings between negotiators?

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:

On this map which states would the tropic of cancer run through

Which of the following statements about early mesopotamian civilizations is false? a. mesopotamia was one of the first places in the world where urbanization occurred. b. mesopotamian civilizations settled between the tigris and euphrates rivers. c. mesopotamia was located in modern-day china. d. mesopotamian civilizations invented the wheel.