![Polluted water can be purified by using](https://www.gkseries.com/blog/wp-content/uploads/2022/09/Polluted-water-can-be-purified-by-using.png)
Q. Polluted water can be purified by using
- Micro-organisms
- Algae
- Pesticides
- Fishes
Answer: Micro-organisms
Answer: Micro-organisms
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