Home » Chemistry mcqs » Trickling filter method is ___________ than the activated sludge processTrickling filter method is ___________ than the activated sludge process by a) Fast b) Slow c) Very fast d) Moderate Related Posts:Which of the following is the correct sequence in…___________ is concerned with cell secretions?___________ is used to relieve one kind of headache,…Different species of plants and animals living in…
