Biology, 03.09.2019 16:20 jackandryansis8572
In the glogerm laboratory, one group designed an experiment to test handwashing soaps for removal of germs that are invisible in regular light. student a washed her hands for 30 seconds with liquid soap, student b washed her hands for 30 seconds with bar soap, and student c washed her hands for 30 seconds with water. after washing, the students looked at their hands under black light for fluorescent germs. the responding variable in this experiment was:
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