If some of the top scorers on an exam don't perform as well on a second exam, this could be explained by the phenomenon known as

Why has there been a growing use of recall elections in recent years?

a. A new federal law mandates recall elections whenever there are accusations of wrongdoing. b. Investigative journalism has made exposing political corruption easier. c. New technology has made it easier to gather signatures and raise money. d. Politicians are generally more corrupt than they were in the past.

Some communities suggest that California is a

a. homogenous state b. bipolar state. c. multipolar state. d. state without political conflict.