Which process gives off oxygen into the air?
Question: Which process gives off oxygen into the air?
One of the main processes that gives off oxygen into the air is **photosynthesis**. Photosynthesis is the process by which plants use light energy to convert carbon dioxide and water into glucose and oxygen. Plants release oxygen as a by-product of this reaction. According to BYJU'S, photosynthesis is the process of fixing atmospheric carbon by trapping the sun's energy in biological form.
Another process that gives off oxygen into the air is **photolysis**. Photolysis happens when the ultraviolet radiation of sunlight breaks apart oxygen-containing molecules such as nitrous oxide and atmospheric water to release free oxygen. Earth Eclipse states that photolysis is one of the ways that oxygen is released in the atmosphere.
These two processes are essential for maintaining the oxygen cycle, which is the biogeochemical cycle that explains the movement of oxygen gas within the atmosphere, the ecosystem, biosphere and the lithosphere. The oxygen cycle is interconnected with the carbon cycle and plays a vital role in the existence of life on earth.
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