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Welcome to our wiki!! =) We hope you enjoy it!! Chemistry Part II

--Ruby Vega--
= Today we are going to discuss: =
 * ==== What does activation energy have to do with chemical reactions? **Jalee Anderson** ====
 * ==== How is a precipitate evidence for a chemical reaction? What are products and reactants? **Melissa Calderon** ====
 * ==== Two ways chemicals are used in each of the following: medicine, food preservatives, crop yield and sanitation? Ruby **Vega** ====
 * ==== What is an isotope? **Jalee Anderson** ====