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Vivre Sans Eux Mé Tout Simplement Impossible. Retape dans le champ ci-dessous la suite de chiffres et de lettres qui apparaissent dans le cadre ci-contre.
Au-devant de ce que je crains.
Thursday, October 3, 2013. Fermentation is the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms. Monday, September 2, 2013. Proton number determines the element. Isotopes - same proton, but different negron numbers. Radiation occurs when the atom expels neutrons. Molecules are two or more atoms together, sharing an electron. They tend to have a covalent bond. Less than 7 is acidic.
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