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17 hours ago · Diatom. For a molecule of two atoms, see Diatomic molecule. A diatom ( Neo-Latin diatoma) [a] is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of the Earth's biomass: they generate about 20 to 50 percent ...
