[Solved] Which of the following is NOT a key decision that a firm must make? A) what price to set B) what quantity to produce C) where to produce D) when to enter and exit an industry Heterosexual: Referring to a sexual orientation towards individuals of the opposite sex. Homosexual: A term used to describe individuals who are physically, romantically, or emotionally attracted to people of the same gender. Erotic Plasticity: The degree to which an individual's sex drive or sexual orientation can be changed by societal or situational factors. Gender Differences: The distinctions in characteristics, behavior, and roles traditionally associated with being male or female in a given society.