What river ran through egypt to keep land fertile

The process of learning acceptable social behavior and values is called

Why did lincoln inform the confederacy that he would not e sending troops or weapons as food supplies were sent to fort sumter?

Using mr smith and his id, identify two potential internal validity threats that might affect the a—b design. tell me how that threat might impact conclusions in the a—b design. note #1: you cannot use maturation (since i already did that one for note #2: there are some mr smith id threats that won’t have much impact in a single case design.