Why do third parties exist if they typically aren't successful?

Apsychologist has developed a series of personality inventories and wants to determine if they are valid. one of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. the colleague tells him that if he were to find a sample of people with personality disorder, these people would obtain high scores on a scale that measures perfectionism.

Fulton county would be most likely to have its economy positively influenced bya) an international airport. b) the port of brunswick. c) the port of savannah. d) a subway system

Lava and other matierls luanced from a volcano and into the air are referenced as