The Founders included the Tenth Amendment, which gave the states
reserved powers. That is, Constitutional powers not given to the
national government (or prohibited to the states) were reserved for the
states.
Hope this helps!!
This is an example of face-saving behavior.
She did this in order to avoid feeling embarrassed, or to lessen the embarrassing situation which may have happened if she showed that she heard them fighting. By pretending she didn't hear anything, she kept the appearance of a normal situation.
I'm pretty sure the correct answer is C. Hope i wasn't to late.
I'd say that the answer is observational study because they're just analyzing the data and if it were an experiment they'd be taking data and comparing it.