[Solved] Show that the given set is countable. {3, 6, 9, 12, 15, ...} Lower Rates: Reduced numerical values or percentages in various contexts, such as interest, inflation, or crime rates. Erotic Plasticity: The degree to which an individual's sex drive can be shaped and altered by social, cultural, and situational factors. Gender Differences: Variations in the opinions, behaviors, abilities, and personal development of men and women, often influenced by social, cultural, and biological factors. Sexual Orientation: A person's pattern of emotional, romantic, or sexual attraction to others, defined by the gender(s) to which a person is attracted.