[Solved] Which of the following best describes the oil pipelines in the United States? A) primarily operated as private carriers on a not-for-hire basis B) primarily operated as private carriers on a for-hire basis C) primarily operated as common carriers on a for-hire basis D) primarily operated as common carriers on a not for-hire basis Contamination: The presence of unwelcome substances or pollutants in something that makes it impure or unsafe, often associated with environments, food, and water. Elvis Presley: Elvis Presley was an iconic American singer, musician, and actor, often referred to as the "King of Rock and Roll" for his influential role in the development of rock music. Profane Consumption: The purchasing and use of products in routine, everyday life outside the realms of sacred or extraordinary contexts. Pornographic Products: Materials or goods that depict sexual content explicitly, for the purpose of sexual arousal.