[Solved] Zero unemployment: A) is only possible in recessions. B) is not possible. C) is only possible in expansions. D) is the goal of macroeconomic policymakers. E) is ideal for economic growth. Middle Adulthood: A stage of life typically ranging from about 40 to 65 years of age, characterized by increased focus on personal and professional achievement, stability, and health. Erotic Plasticity: The degree to which an individual's sex drive can be changed by social, cultural, or situational factors. Gender Difference: Variations in characteristics, behaviors, or attitudes between males and females, often influenced by social, cultural, and biological factors. Sexual Orientation: A person's pattern of emotional, romantic, or sexual attraction to others, which can include heterosexuality, homosexuality, bisexuality, and more.