Answer: The automatic response to tensing your muscles after you hear the sound of the clanking the rollercoaster makes is an example of the phrase pavlov's dogs, which can refer to classical conditioning because it refers to the habit of automatic response to a stimulus.
A) For it does not require a life long commitment, and it is not C) because it can be any substance not just tobacco!
Thus your answer is A) gradually but completely withdrawing substances from use !
Have a happy life !
:D <span />
The pressure of society even has an effect on an adult's self-esteem. ... Men with a family and job are more likely to have a higher self-esteem than those who don't. The images that society portrays on what is or isn't right have affected everyone in some way, shape, or form. It can either take you down or build you up.
Photosynthesis its called.