Question

why insectieides and medicines should not be thrown in drain​

Answer 1

Answer:

Chemicals like paints, solvents, insecticides, motor oil, medicines may kill microbes that help purify water. So do not throw them down the drain. drains. They do not allow free flow of oxygen.

Explanation:

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Answer 2

Answer:

hope this answer helps☺

Explanation:

They can harden and block the pipes. In an open drain the fats clog the soil pores reducing its effectiveness in filtering water. ... Chemicals like paints, solvents, insecticides, motor oil, medicines may kill microbes that help purify water. So do not throw them down the drain.