Why is it so difficult to study one organ system without there being overlap from another?

In at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution. (10 points)

Provide an example of how you have successfully taken into account individual differences in dealing with people. in what way did your approach make a difference in the outcome of the interaction with that person?

Which states universal prekindergarten has been most effective in preparing children for school?