![B.O.D. test or biological oxygen demand test is made for measuring](https://www.gkseries.com/blog/wp-content/uploads/2022/09/B.O.D.-test-or-biological-oxygen-demand-test-is-made-for-measuring.png)
Q. B.O.D. test or biological oxygen demand test is made for measuring
- Air pollution
- (b)Water pollution
- Noise pollution
- Soil pollution
Answer: Water pollution
Answer: Water pollution
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