[Solved] In beta minus decay, the number of protons in the nucleus A)is decreased by 1. B)is decreased by 2. C)is increased by 1. D)is increased by 2. E)remains unchanged. Psychic Energy: A concept in psychoanalytic theory referring to the force behind human drives, desires, and mental processes. Carnal Desires: Powerful feelings or appetites of a sexual nature. Sexual Activity: Any behavior that involves sexually arousement or stimulation, including intercourse and other erotic behaviors. Developmental Stages: Developmental stages refer to the distinct periods in an individual's life during which predictable patterns of growth and behavior are observed, such as infancy, childhood, adolescence, and adulthood.