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Little Known Facts About các trường nội trú nhất ở tphcm.

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A material that only has a person type or class of atom is said for being a component. Because it can't be altered by way of Bodily or chemical signifies to stop working or build new substances, an element can be a pure material. Nearly all elements are metals, nonmetals, https://algirdast939sdl3.wikicommunication.com/user

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