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електрон
An elementary particle of an atom with a negative electrical charge and a mass of 1/1837 of a proton; electrons surround the positively charged nucleus of an atom and determine the chemical properties of an atom. The movement of electrons in an electrical conductor constitutes an electric current.
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црвени северни фликер
The Red-shafted Northern Flicker (Colaptes auratus) is a medium-sized member of the woodpecker family. Native to western North America, it's one of ...