Oxygen gas (O₂) is a crucial element that sustains life and drives numerous industrial processes. Comprising about 21% of Earth's atmosphere, oxygen is vital for respiration in humans, animals, and microorganisms, enabling the production of energy at the cellular level. Beyond its biological significance, oxygen plays a key role in industries such as steelmaking, welding, and water treatment, and is essential in medical therapies and rocket propulsion. It also contributes to the formation of the ozone layer, protecting the planet from harmful UV radiation. Whether supporting life or powering technology, oxygen is indispensable to both nature and industry. Explore the essential role of this vital gas in maintaining life and advancing civilization.
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