$1.$ Which germicide was most effective for each sample? Was the same germicide the most effective for microorganisms isolated from the different sources? What could explain this similarity or difference? $(5$ points$)$

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$2.$ Which germicide was least effective? Was the same germicide the least effective for microorganisms isolated from the different sources? What could explain this similarity or difference? $(5$ points$)$

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$3.$ Were any of the cultured microorganisms particularly resistant to the germicides tested? If so$,$ which culture?$$ What could explain this strong resistance? $(5$ points$)$