Why do fishes in an aquarium thrive better if green plants are growing – McqOptions

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1.	Why do fishes in an aquarium thrive better if green plants are growing there because they [BHU 1975]
A.	Inhale oxygen released by green plants
B.	Inhale carbon dioxide released by green plants
C.	Can feed of them
D.	Like green surrounding
Answer» B. Inhale carbon dioxide released by green plants

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