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You requested a trend report on Four Students Are Carrying Out Different Laboratory Procedures. Piroja Is Mixing Baking Soda And Vinegar To See If It Reacts. Jason Is Heating Salt Water Over A Burner Until The Water Evaporates. Kali Is Putting Crushed Ice And Ice Cubes On A Table To See Which Melts First. Francisco Is Separating Iron Filings From Sand Using A Magnet. Which Experiment Relies On Convection

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