Bongiwe has conducted correlational research on depression and caffeine intake and found that there is a negative correlation between the two variables. this means that as caffeine intake increases, depression decreases. the correlation coefficient (r) for her study is −.53. keeping in mind that −1.00 would be a perfect negative correlation, what is the approximate strength of r for this study?

How did shays' rebellion reveal the need for a revision of the articles of confederation? a) shays' rebellion exposed the weakness of the central government as written in the articles of confederation. b) shays' rebellion strengthened the ideas of the anti-federalists in the need for a strong national government. c) shays' rebellion illustrated the need for organized local government factions to handle situations such as this. d) shays' rebellion encouraged others to rebel and eventually led to the overthrow of the first established government in the united states.

In your opinion, howell does the constitution strike a balance of authority among the three branches of government? explain your view using examples from recent and current events.

Feathers wings and the hollow bones of birds are examples of