When the fineness of sand increases __________ Options: A . &nbspThe bacterial efficiency increases B . &nbspThe rate of filtration increases C . &nbspThe rate of filtration first decrease, then increase D . &nbspThe bacterial efficiency remains constant

When the fineness of sand increases _________

Question

When the fineness of sand increases __________

Options:

A . The bacterial efficiency increases

B . The rate of filtration increases

C . The rate of filtration first decrease, then increase

D . The bacterial efficiency remains constant

Answer: Option A
Answer: (a).The bacterial efficiency increases

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