What is the relationship between BOD and COD? What is the ill effect of increase of BOD in water body?

What is the relationship between m and nm ?

What is the relationship between kmh^-1 and ms^-1 ?

What are the ill effects of DDT?

What is relationship between BOD and organic matter in sewage?

What is the relationship between e.m.f. and magnetic flux?

Show the relationship between BOD and DO with the help of a diagram. What is ill-effect of increase of BOD in water?

What is the difference between BOD & COD?

What is BOD ?