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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
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1 янв 1783 г. - Lavoisier - "Defined that matter was composed of atoms that were not created or destroyed during chemical reactions"

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1 янв 1783 г.
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~ 242 г назад