[Solved] At what age do estimated energy requirements begin to vary based on activity level? A) 1 year B) 3 years C) 5 years D) 13 years E) 17 years Native American: A member of any of the indigenous peoples of the Americas, particularly those living within the United States. Caucasian Americans: A term often used to describe Americans of European origin or descent, though its accuracy and appropriateness are debated. African Americans: A term used to describe Americans of African descent with ancestry in North America, often associated with a shared history and cultural experience. Voyeurism: A disorder involving the gaining of sexual pleasure from observing unsuspecting individuals who are naked, in the process of disrobing, or engaging in sexual activity.