Question

urgent and fast reply.. why we should not throw medicine and oils or fats in the drain?

Answer 1

Because they are non biodegradable items so then it will not burry properly and took millions of years to burry.

Ok

Answer 2

Answer:

Oils and fats harden and block the sewage pipes. In an open drain also, fats block porosity of soil which affects its water filtering efficiency. That is why oils and fats should not be released in the drain.