[Solved] The MOST appropriate alternative for Australopithecus is_____. A) chimpanzees B) Louis Leakey C) human adults, young chimps D) southern ape American Adults: Refers to individuals from the United States who are legally considered adults, typically 18 years or older. Nocturnal Emissions: Involuntary ejaculation of semen during sleep, commonly known as wet dreams, often associated with puberty in males. Erotic Dreams: Dreams with sexual content or themes that reflect the dreamer's desires, anxieties, or subconscious thoughts about sex. Nocturnal Orgasms: Sexual climax experienced during sleep, often associated with erotic dreams, more commonly referred to as "wet dreams."