Answer:
You should use mineral water but you can also use tap water too, as long as you remove chemicals that are potentially toxic to fish.
Explanation:
4.Necleic Acids is that answer
use of resources in a way and at a rate that does not lead to the long-term decline of biological diversity, thereby maintaining its potential to meet the needs and aspirations of present and future generations.
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Salt
a decrease in temperature and an increasue in salinity
