When testing a hypothesis using a null hypothesis, you use a statement that negates your hypothesis, and, within a certain level of certainty, see if the null hypothesis can be rejected. When testing the null hypothesis, you typically want to be around 95% sure that you can reject it (confidence interval is 95%).
In Rose's case, she is testing the hypothesis that there is a correlation between watching violence on television and aggressive behavior.
Her null hypothesis would be:
"There is not a positive correlation between watching violence on television and aggressive behavior"
or
"The correlation between watching violence on television and aggressive behavior is less than or equal to zero"
You can use this website I found the answer here http://webs.bcp.org/sites/vcleary/ModernWorldHistoryTextbook/IndustrialRevolution/IREffects.html
Social contract theory holds that people surrender certain rights as an end-result of accepting certain securities from the state. Social contract theory, about as old as rationality itself, is the view that people's good and political commitments are reliant upon an agreement or understanding among them to frame the general public in which they live.
Complex buildings, alliances, and religions
Answer:
A. forests, rivers, and mountains
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