[Solved] The main difference between human brains and the brains of their mammalian relatives is that human brains tend to be bigger and A) are white. B) are gray. C) have more cortex. D) have two hemispheres. E) both C and D Trobriand Island: A group of islands in the western Pacific Ocean, known for their unique matrilineal culture and extensive ethnographic study by Bronislaw Malinowski. Erotic Games: Activities designed to enhance sexual arousal and intimacy between partners, often involving playful scenarios and consensual practices. Age: The length of time that a person or organism has been alive or that an object has existed. Mehndi: A form of body art originating from ancient India, involving the application of henna to the skin in intricate patterns, especially for ceremonies.