The filtering medium of trickling filters is coated with microbial flora, known as Options: A . &nbspzoological film B . &nbspgeological film C . &nbspzooglocal film D . &nbspnone of these

The filtering medium of trickling filters is coated with microbial flora, known

Question

The filtering medium of trickling filters is coated with microbial flora, known as

Options:

A . zoological film

B . geological film

C . zooglocal film

D . none of these

Answer: Option C
Answer: (c).zooglocal film

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