What is sewage?

What is meant by sewage ?

What is treatment of sewages purpose?

Define sewage. What is percentage of impurities in sewage?

What are the contaminants of sewage? Classify them.

What is water pollution? Describe sewage pollution briefly.

What is relationship between BOD and organic matter in sewage?

Before disposal, sewage is treated in sewage treatment plants (STPs). It is done by which microbes present naturally in sewage

What comprises sewage?

What is domestic sewage?