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Chemistry, 29.04.2021 22:10 uehlingt39
1. You decide to test whether charcoal helps purify water or not. You design a filter that contains charcoal and run water from a nearby stream through the filter. Afterward, you test the water for contaminants.
Independent variable:
Dependent variable:
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1. You decide to test whether charcoal helps purify water or not. You design a filter that contains...
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