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Rahul Sharma
Rahul Sharma Master


I think it is called black sea due to no growth of microorganisms making it look black.

The reson for inhospitable enviornment for growth is lack of oxygen in the lower layers of sea is due to minimal water movement between top and lower layers.

 

 


Jim B
Jim B Freight Forwarder


That is due to small depth visibility which is 5 meters only.