what % of earths water is in the ocean , 88, 97, 66, 90, 68, 99, what % of earth's water is fresh? , 55, 6, 77, 3, 10, 3 , how many states does the Ogallala share?, 9, 10, 11, 8, 7, 5, how many feet has ground water dropped since 1996?, 14, 15, 19, 17, 20, 8, what is the term for water slowly sleeping rock , water, river, evaporation , percolation , hydration , z .

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