what is O2??
O2 means Water
no it is oxygen! DUH!
O2 is an abbreviation for oxygen. It is a chemical element and a gas that is essential for life. Oxygen is found in the atmosphere and is needed by humans, animals, and many other organisms to survive.
To find out more about O2, you can conduct a simple search on the internet. Just type "What is O2?" in a search engine like Google, and you will be presented with numerous credible sources such as scientific websites, encyclopedias, or educational articles that explain in detail what O2 is and its significance. These sources will provide comprehensive information about the properties, uses, and importance of oxygen in various contexts.