Search Results for: Shells of molluscs
molecules in living organisms contain oxygen, such as proteins , nucleic acids , carbohydrates , and fats , as do the major constituent inorganic compounds of animal shells, teeth, and bone. most of the mass of living organisms is oxygen as a component of water , the major constituent of lifeforms.
oxygen was times that of hydrogen, instead of the modern value of about . [ ] in , joseph louis gay-lussac and alexander von humboldt showed that water is formed of two volumes of hydrogen and one volume of oxygen; and by amedeo avogadro had arrived at the correct interpretation of water's composition...
https://en.wikipedia.org/wiki/Oxygen
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