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1. The Black Sea was given that name because the lack of oxygen in the water prevents the development of microorganisms, making it appear black. 2. It was called the Black sea because it was a Sea of Death.Sailors of long ago, if caught in a storm, usually died because of the absence of islands at which to harbour, and the ferocity of the storms that hit. 3. The intense fogs which develop over the Black sea absorb the light, making the water appear black. 4.t was called the Black sea because it was a Sea of Death. Sailors of long ago, if caught in a storm, usually died because of the absence of islands at which to harbour, and the ferocity of the storms that hit. 3. The intense fogs which develop over the Black sea absorb the light, making the water appear black. 4.
A: The sea is blue because water, in large quantities, is blue. Also, when the light from the sun hits the water, it gets filtered so that redness is absorbed, allowing more of the blue color to be reflected. Another reason why the sea appears blue is because it reflects the blue color of the sky. Little ocean particles serve as reflective devices, and because the sky surrounds the ocean, the water appears blue. The presence of plant life and algae can cause the sea to appear green, and it may even appear gray when the sky is cloudy.