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Chemistry, 10.11.2020 19:40 thibeauxkristy

_ is a method that use micro-organism ? A. chemical treatment
B. biological treatment
C. physical treatment
D. all
plz explain


_____ is a method that use micro-organism ? A.chemical treatmentB.biological treatmentC.physical

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_ is a method that use micro-organism ? A. chemical treatment
B. biological treatment
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