*/*_Replenishment of dissolved oxygen in water stream polluted with in – McqOptions

MCQOPTIONS

1.	/_Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by?
A.	Natural aeration of water stream
B.	Photosynthetic action of algae
C.	Both A & B
D.	Neither A nor B
Answer» D. Neither A nor B

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