Question

the kinds of material present in the wastewater are called​

Answer 1

Answer:

Contaminants.

Explanation:

The organic impurities present in sewage are: Human faeces, Animal waste (like Animal dung), Urea (as Urine), Oil, Fruit and Vegetable wastes, Pesticides, and Herbicides, etc.

These are called Contaminants.

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Answer 2

ANSWER .

COTAMIANTS

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