Final answer:
The correct answer is B) carbon dioxide, as it is the only option in the list that is a compound composed of carbon and oxygen atoms bonded together.
Step-by-step explanation:
The question asks to choose the compound from a provided list. A compound is a substance formed when two or more chemical elements are chemically bonded together. Looking at the list provided in the question, the only option that fits the definition of a compound is B) carbon dioxide. This is because carbon dioxide consists of one carbon atom and two oxygen atoms bonded together. Therefore, the correct answer is B) carbon dioxide, which is represented by the chemical formula CO2.