High value of BOD (Biochemical Oxygen Demand) indicates that \( \ma...

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High value of BOD (Biochemical Oxygen Demand) indicates that
\( \mathrm{P} \)
(1) Consumption of organic matter in the water is
WV higher by the microbes
(2) Water is pure
(3) Water is highly polluted
(4) Water is less polluted
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