Biology, 08.03.2021 17:40, goodschool93

Two disinfectants were tested for their effectiveness against a strain of bacteria. Disinfectant A had a clear circle with 3 mm diameter. Disinfectant B had a clear circle with 6 mm diameter. Calculate the difference in the bacteria-free area between disinfectant A and disinfectant B.

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Two disinfectants were tested for their effectiveness against a strain of bacteria. Disinfectant A h...