Consider the following statements and identify the correct answer.
Statement A: In case of trickling filters, the bacteria film coating the grains of the filter media is stationary and likely to become clogged after some time.
Statement B: In case of activated sludge process, the finer organic suspended particles of sewage are themselves coated with the bacterial film, which is kept moving by the constant agitation.
1
Both statements are incorrect
2
Both statements are correct
3
Statement A is correct and B is incorrect
4
Statement B is correct and A is incorrect