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Wednesday, January 16, 2008

Is there light under the sea?


Is there light under the sea?

Sunlight can penetrate only the shallow surface water of the sea. After 10 metres, the light starts getting dimmer. The deeper you go the darker and colder it gets. After 1000 metres, it is pitch dark and at 4000 metres, it is as cold as the inside of a refrigerator!

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