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Question
Which of the following is TRUE about primary treatment?
Options
It is a physical process.
It is a biological process.
It involves removal of large pieces of floating debris, oily substance through filtration.
Both It is a physical process and It involves removal of large pieces of floating debris, oily substance through filtration.
MCQ
Solution
Both It is a physical process and It involves removal of large pieces of floating debris, oily substance through filtration.
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