Larsson, R. and Malek, A. 2023. Origin of Prebiotic Organics and Oxygen on Earth. A case for the Pre-Photosynthetic and Carbonyl Sulfide Catalyzed Reduction of Carbon Dioxide by Water, Methane, Ammonia and Hydrogen sulfide . JOURNAL OF ADVANCES IN PHYSICS. 21, (Aug. 2023), 102–109. DOI:https://doi.org/10.24297/jap.v21i.9506.