[Solved] Carbon dioxide (CO2)has a longer residence time in the atmosphere than methane (CH4). Brain Anatomy: The study of the structure of the brain, including its various parts, such as the cerebrum, cerebellum, and brainstem, and their functions. Sexual Orientation: Sexual orientation is a pattern of emotional, romantic, or sexual attraction to the opposite sex, same sex, both sexes, or neither, which forms part of a person's identity. Erotic Plasticity: The degree to which an individual's sex drive can be changed by outside forces such as social, environmental, or situational factors. Homosexual Desires: Sexual attraction or desire between individuals of the same sex.