____ are formal customs that signify an individual's departure from childhood and his or her entrance into adolescence

The central nervous system is composed of the _________& __________

Fill in the blank(s) with the appropriate word(s).

Which of the following outcomes occurred when world chess Grand Master Garry Kasparov matched his chess wits against computers?

a) Kasparov was not able to beat either computer, but did manage to play to a draw. b) Kasparov was beaten in every match by both Deep Blue and Deep Junior. c) Kasparov beat Deep Blue and played to a Draw against Deep Junior. d) Kasparov was able to soundly defeat both computers