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3 ч 34 мин, 3 фев 1785 г. - Law of Conservation of Mass: By Lavoisier stating in a chemical reaction, matter is neither created nor destroyed.

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ATOM theory

ByCamila Aviles rodriguez

21 окт 2018

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3 ч 34 мин, 3 фев 1785 г.

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~ 240 г назад

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