Oxygen

Oxygen (O) is a colorless, odorless, and tasteless reactive nonmetal gas that is essential to respiration in all aerobic organisms. It constitutes about 21% of the Earth's atmosphere and is the most abundant element by mass in the Earth's crust. It is a crucial element for combustion, supporting the burning of various fuels. oxygen is often used in its liquid form for rocket propellants and in industrial processes. Its chemical properties allow it to form compounds with most other elements, making it integral to numerous chemical reactions and biological processes, and a key element for sustaining life as we know it.

Oxygen meaning with examples

• The diver carried a tank filled with compressed oxygen to breathe underwater, allowing him to explore the ocean depths for extended periods. Without it, the diver could not survive.
• Plants utilize photosynthesis, taking in carbon dioxide and releasing oxygen, thus providing the air we breathe with this essential gas. This is vital for life.
• When a person suffers from a respiratory ailment, supplementary oxygen is often administered through a mask to ease breathing and facilitate the body's cellular processes.
• The astronauts depended on onboard oxygen supplies to survive and function in the vacuum of space, demonstrating its importance in extreme environments.
• During combustion in a fire, the burning material reacts with oxygen, releasing heat, light, and various byproducts such as smoke and ash.