Biochemical Oxygen Demand (BOD) in a river
water
(a) has no relationship with concentration of
oxygen in the water
(b) gives a measure of Salmonella in the water
(c) increases when sewage gets mixed with
river water
(d) remains unchanged when algal bloom
occurs
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Answered by
4
Answer:
Biochemical Oxygen Demand (BOD) in a river
water
(a) has no relationship with concentration of
oxygen in the water
(b) gives a measure of Salmonella in the water
(c) increases when sewage gets mixed with river water✔
(d) remains unchanged when algal bloom
occurs
Answered by
15
Answer:
Biochemical Oxygen Demand (BOD) in a river
water
(a) has no relationship with concentration of
oxygen in the water
(b) gives a measure of Salmonella in the water
(c) increases when sewage gets mixed with
river water✔✔
(d) remains unchanged when algal bloom
occurs
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