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Oxygen is an element in the nonmetal/chalcogens section of the Periodic Table of Elements with the symbol of O. Oxygen is more immediately essential to the life of all mammals, animals, and most life on Earth aside from plants than any other substance, as without oxygen, the common human would die in a matter of minutes. Oxygen is made from the release of carbon dioxide in organisms, which is used by plants to make and release oxygen in respiration. Oxygen is the third most abundant element in the universe by mass after hydrogen and helium
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