Question

give reasons
oils and fats should not be released in the drain

Answer 1

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.
MARK ME BRAINLIEST

Answer 2

Cooking oils and fats should not be thrown down the drain. They can harden and block the pipes. In an open drain, the fats clog the soil pores reducing its effectiveness in filtering water. Oils and fats should be thrown in the dustbin.