Billy has been experiencing discomfort in situations where he is not the center of attention. he displays emotions that shift rapidly and often do not seem real. he makes others feel uncomfortable with his inappropriately provocative style of interaction. billy has many of the hallmarks of personality disorder.

The answer in the space provided is the hallmarks of the histrionic personality disorder. This is a personality disorder in which an individual is likely to engage of having to have an emotion of being attention seeking in an excessive manner and that it likely occurs in the stage of early adulthood.

c. taught scientists many new things about the earth, but not other planets.

explanation:

omg stop xd you need to chi