Help please I’m trying to help my child but I’m not even sure.

The physical feature that makes up part of the border between canada and the united states is the

Which of the following best summarizes the idea represented by this graph?

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.