![Which of the following is NOT a sign of organic water pollution?](https://www.gkseries.com/blog/wp-content/uploads/2022/09/Which-of-the-following-is-NOT-a-sign-of-organic-water-pollution.png)
Q. Which of the following is NOT a sign of organic water pollution?
- BOD
- pH
- Salinity
- Eutrophication
Answer: BOD
Answer: BOD
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