High value of BOD (Biochemical Oxygen Demand)
indicates that
(a) water is less polluted
(b) consumption of organic matter in the water is
higher by the microbes
(c) water is pure
(d) water is highly polluted.
indicates that
(a) water is less polluted
(b) consumption of organic matter in the water is
higher by the microbes
(c) water is pure
(d) water is highly polluted.