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Title
Water and rocks #168815174
Description
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases a river flows into the ground.As with water, ice absorbs light at the red end of the spectrum preferentially as the result of an overtone of an oxygenââ¬âhydrogen Oââ¬âH bond stretch. Compared with water, this absorption is shifted toward slightly lower energies. Thus, ice appears blue, with a slightly greener tint than liquid water. Since absorption is cumulative, the color effect intensifies with increasing thickness or if internal reflections cause the light to take a longer path through the ice