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Why does the water appear green?
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seaweed is green. seaweed is in the sea. It makes the sea look green.
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you are not talking about your tap water hopefully.... it could be mineral, bacteria, mold, position of the light sourse refracting / reflecting off the water and the molecules in it... you need to be a bit more spesific.
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algae colors the sea
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depthness of water.. look at sea, it is blue....
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