David asks…help! prospective study in relationship of cell phones and cancer?okay im trying to set up an experiment but i already have two of these and want a third one...my hypothesis: extensive use of a cell phone may help in the development of cancer....
what should be the experimental group, control group, experimental variable and 3 controlled variables? ive lost ideas because i put them all in my previous experiments. any help would be appreciated. im actually doing this experiment
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