You wonder whether plants that are exposed to music grow faster than those that are not. Describe a simple controlled experiment you can do to help you find out. Be sure your experiment includes a control group, an experimental group, one independent variable and control variables.

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blues · Answer

You want to do this by comparing at least two plant samples. You want all the conditions to be the same for the plants in all sample groups - except for the variable that you are trying to test...