Select the correct statement.
A. 5 day BOD is the ultimate BOD.
B. 5 day BOD is greater than 4 day BOD keeping other conditions same.
C. 5 day BOD is less than 4 day BOD keeping other conditions same.
D. BOD does nof depend on time.
Answer:C
Select the correct statement.
A. 5 day BOD is the ultimate BOD. B. 5 day BOD is greater than 4 day BOD keeping other conditions same. C. 5 day BOD is less than 4 day BOD keeping other conditions same. D. BOD does nof depend on time.