[Solved] Composite resins are composed mainly of an organic resin matrix and inorganic silica filler particles joined together by a _____ coupling agent. A) silane B) colloidal C) surfactant D) hydrophobic Masturbate: The act of sexually stimulating oneself, often leading to orgasm. View Pornography: The act of looking at or watching explicit sexual material, typically intended to stimulate erotic rather than aesthetic or emotional feelings. Evolutionary Perspective: A theoretical approach that explains various aspects of human nature as a result of the process of evolution by natural selection, highlighting the adaptive value of behaviors and physical traits. Youthful Fertility: The ability or capacity of young individuals, typically in their teens and twenties, to reproduce or produce offspring.