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Nina [5.8K]
3 years ago
8

We do not dean ponds or Lakes but an aquarium need to be cleaned up why​

Biology
1 answer:
Virty [35]3 years ago
5 0
In lakes and ponds there is a whole ecosystem, with its animals and plants. Between them they are in charge of maintaining the entire habitat in favorable conditions for living. The fish tank does not have that cleaning system.
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