Science
Unveiling Dark Oxygen: A New Frontier in Earth’s Oxygen Production
Dark oxygen refers to molecular oxygen production in the absence of light, challenging the belief that photosynthesis is its sole source. Generated through abiotic and biotic processes, particularly by polymetallic nodules in the Pacific’s Clarion-Clipperton Zone, this discovery impacts biogeochemical cycles and raises concerns about deep-sea mining’s ecological effects.
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