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ICSE Class 9 Answered

I did not understand how aquatic life exists in cold countries.  
Asked by Vidya | 24 Jun, 2018, 12:04: AM
answered-by-expert Expert Answer

Because they have a lot of adipose tissues (fat) present in them which keeps their body warm.

It is also very much because of anomalous expansion of water.

As a consequence of anomalous expansion, when the temperature of water is at 0 degree in cold countries it forms a thin crust of ice on the top and the below water remains at 4 degree celcius by in which some fishes can sustain its life.

Answered by Abhijeet Mishra | 29 Jun, 2018, 12:55: PM
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