[Solved] Given two events, A and B, if the probability of either A or B occurring is 0.6, then the probability of neither A nor B occurring is -0.6. United States: A country located in North America, composed of 50 states, known for its significant influence on global culture, economy, and politics. Employed: The state of having a job or career, especially where one works for an employer as opposed to being self-employed. Eusocial: Describing a complex social structure in certain animal species, where there is cooperation in caring for the young, division of labor, and overlap of generations within a colony. Heterocephalus Glaber: Also known as the naked mole-rat, a rodent known for its resistance to cancer and its ability to live in low-oxygen environments.