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Oxygen is a gas that is essential for life, and is used by all living organisms to produce energy through the process of respiration. Oxygen is obtained from various sources, including the atmosphere, water, and photosynthesis.
Atmospheric oxygen is the most common and abundant source of oxygen. The Earth’s atmosphere is composed of approximately 21% oxygen, and this oxygens is constantly being replenished through photosynthesis by plants and other organisms. This atmospheric oxygens is breathed in by animals, including humans, and is used in the process of respiration to produce energy and to sustain life.
Oxygens can also be obtained from water through a process called electrolysis. In this process, an electric current is passed through water, which causes the water molecules to break down into hydrogen gas and oxygens gas. The oxygen gas can then be collected and used for various purposes, including medical applications and industrial processes.
Photosynthesis is another source of oxygens, which is produced by plants and some microorganisms. During photosynthesis, plants use energy from the sun to convert carbon dioxide and water into glucose and oxygens. This process is critical to the maintenance of the Earth’s atmosphere, as it produces the majority of the atmospheric oxygens that is necessary for life on Earth.
In summary, atmospheric oxygens, water, and photosynthesis are the primary sources of oxygens. These sources are vital to the survival of all living organisms, and are used in a variety of applications, including respiration, medical treatments, and industrial processes.
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