Which of the following is a method of aeration? Options: A . &nbspMechanical straining B . &nbspCascades C . &nbspBiological metabolism D . &nbspElectrolytic changes

Which of the following is a method of aeration?

Question

Which of the following is a method of aeration?

Options:

A . Mechanical straining

B . Cascades

C . Biological metabolism

D . Electrolytic changes

Answer: Option B
Answer: (b).Cascades

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