Permanent settlements were formed in mesopotamia because of a. animal migrations b. many natural resources c. extreme climate changes d. agricultural developments

The graph shows a student’s data from an investigation about plant growth in five plants of the same type.

Personality traits.. .remain stable throughout life ..change at different rates to different degrees ..are more obvious during childhood ..all of the above

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: