I need 5 sentences on women ,African Americans, and native Americans by today please help me

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

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:

Each of the letters on the map above marks a body of water in southeast asia. which two letters represent gulfs