Scientists find dark oxygen being produced from metals on the seafloor. Until now, it was thought that almost all the free oxygen (O on Earth was created through photosynthesis, which requires sunlight.
Scientists find dark oxygen being produced from metals on the seafloor. Until now, it was thought that oxygen was created only through photosynthesis, a process that requires sunlight.
Scientists find dark oxygen being produced from metals on the seafloor. Until now, it was thought that almostallthefreeoxygen (OonEarthwas created through photosynthesis, which requires sunlight.