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storage.googleapis.com...Most of the Earth's water—roughly 97 percent—I oceans. Only 3 percent is fresh water. The huge expanses of ice near the North and South Poles account for

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Page 1: storage.googleapis.com...Most of the Earth's water—roughly 97 percent—I oceans. Only 3 percent is fresh water. The huge expanses of ice near the North and South Poles account for
Page 2: storage.googleapis.com...Most of the Earth's water—roughly 97 percent—I oceans. Only 3 percent is fresh water. The huge expanses of ice near the North and South Poles account for