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Show Tlie Color of irate r. What Is the color of pure water? Almost any person who has no special knowledge of the subject will reply at once, '"It has no color." Vet everybody knows, either through hearsay or by tho evidence of his own eyes, that the ocean Is blue. Why the ocean looks blue Is a question that few who have crossed it have ever sought to solve, and there are prolobly many travelers who, though they have seen most of tbe famous rivers aud lakes ill tliu world, have failed to notice the remarkable re-markable difference in color which their waters present. liven tho ocean is not uniform In color; in some places Its waters are green or even yellowish. Xaturc. |