Septic tank is a______________? / Environmental Engineering / By admin Septic tank is a______________? 1) settling tank 2) digestion tank 3) aeration tank The correct answer is? A. only (1) B. (1) and (2)(Correct) C. (1) and (3) D. only (3)
Septic tank is a______________? 1) settling tank 2) digestion tank 3) aeration tank The correct answer is? A. only (1) B. (1) and (2)(Correct) C. (1) and (3) D. only (3)