Question

4. Why oils and fats should not be released in the drain ?​

Answer 1

Answer:

Cooking oil 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.

Answer 2

Here's your answer:-

Cooking oil and fats should not be thrown down the drain because they harden and block the pipes. Fats get clogged in holes of the soil in the drain and block it. It does not allow the water to flow

Hope it helps you