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Are all rivers blue

Updated: 8/19/2019
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13y ago

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no, the apparent blue color is actually the reflection of the sky in the water, if the water is clean the color of the sky will be reflected, blue or gray on a gray cloudy day, dark on a moonless night, silver reflecting the moonlight at night. Silt, alge, mud or other material in the water can also affect the color. Green Bay and the river flowing into in Wisconsin are in fact green from the green alge at certain times of the year. Its easy to see a color difference where two rivers meet and one is clean and one is slit laden.

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Q: Are all rivers blue
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