I'm not totally sure about this one but it sounds like symptoms of borderline personality disorder. Hope I could help.
Answer:
Nuclear fission
Explanation:
Nuclear science is the field of physics that explains the atomic theory. It also explains the behavior, structure, and component parts of atomic nuclei.
Nuclear fission is used in nuclear power plants.
It is a great deal of radioactive waste that releases a great deal of energy with a little radioactivity.
In this process, the nucleus of an atom splits into two or more smaller and lighter nuclei.
Answer:
Perceptual set
Explanation:
Perceptual set is the tendency to perceive certain things and ignore others, in this case Jill is known as a 'selector' because she has certain expectations and focuses her attention on the loud children instead of the quiet ones.