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Why is the sea blue?
The sun gives the blue color to the sea. The sunlight is composed of different colors. When the sun shines, the sea absorbs different colors: the red and orange are the first to disappear (10 meters depth), then comes the green and finally the blue color is stopped at 90 meters depth. The blue wins it all and gives the main color to the sea. Photo credit: Ben Thouard / The Explorers
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