"Federalism serves as the ultimate check on the centralization of power in the federal government."

Explain this quote. Be specific and use examples.
(AP Gov't & Politics)

This is science by the way which of the following is an example of an environmental pressure a. the air pressure in the atmosphere b. a lake that is gradually running out of water c. a fight between two members of the same species d. breeding between two members of the same species

While aphorisms and epigrams both express a truth about life, an epigram usually has a a. humorous tone b. serious tone c. grave tone d. eclectic tone

Ahigh school teacher wants to study the seating habits of students in the cafeteria to determine if students sit in the same seats or change seats from day to day. she sits in the cafeteria for several days, and without interacting with the students, records where they sit each day. what is a potential benefit of this type of research? there is an independent variable. there is a dependent variable. the researcher can gain personal information about an individual. the participants act normally. the information can be gathered over a period of several years.