Answers

2015-12-18T21:35:19+05:30
Nitrifying bacterias are present in a aquarium tank.
which breaks down the waste in the aquarium.
1 5 1
2015-12-18T21:52:55+05:30
Nitrifying bacteria are present in an aquarium. They are good bacteria and help natural biological aquarium filtration. They break down the organic waste. In short they help in the filtration of the aquarium.....
11 4 11
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