Question

is oxygen a gas or a vapor? vaopr gas

Explanation:

Oxygen is a gas at standard temperature and pressure. Vapor typically refers to the gaseous state of a substance that is normally liquid or solid at room temperature (e.g., water vapor). Oxygen is naturally a gas in its stable state under normal conditions.

Answer:

B. gas (assuming the second option with "gas" is the correct choice, and the first option has a typo "vaopr" instead of "vapor")