1.

6. Urea is an impurity present in sewage.7.is a term used for the undesirable substances present in water.8. The kinds of material present in the wastewater are called Lon​

Answer»

ong>ANSWER:

the answer to this question is 7 ie. ,a term used for impurity PRESENT in water

as in our body as well urea is prese5which is excreted out in solution of water



Discussion

No Comment Found

Related InterviewSolutions