what is aquarium or why there ia need to clean it?
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Answer:
because fish will be died because of dirtyness
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Answer:
An aquarium is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed.
Explanation:
In the Aquarium the uneaten food as well as the waste generated by the fishes mixes with the water and is left untreated due to the lack of decomposers. The waste materials thus accumulate in the water making it toxic. Hence an aquarium has to be cleaned after regular intervals
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