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Old 04-16-2006, 03:36 PM
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Tip: I think it is known for a fact that different amounts of pollutants in rivers affect the bacteria in them. Actually, you can use this experiment to test the amount of pollution in rain or different parts of a river, or compare city vs country pollution.

By using living chemistry's idea of culturing these bacteria with river water or rain water, add a control, and it's an environmental experiment.

Someone could try it?
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