Question
Question: The solids which settle after primary treatment of sewage are called...
The solids which settle after primary treatment of sewage are called
A
Primary sludge
B
Activated sludge
C
Flocs
D
Total solids
Answer
Primary sludge
The solids which settle after primary treatment of sewage are called
Primary sludge
Activated sludge
Flocs
Total solids
Primary sludge