1.

THE_MAXIMUM_TEMPERATURE_AT_WHICH_THERMOPHILIC_MICROORGANISMS_REMAIN_ACTIVE_IN_SLUDGE_DIGESTER_IS?$

A. 60<sup>o</sup>C
B. 40<sup>o</sup>C
C. 30<sup>o</sup>C
D. 20<sup>o</sup>C
Answer» B. 40<sup>o</sup>C


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