Water is one of the most important substances on Earth. Almost all living things need it to survive. Readers will learn how hydrologists study weather patterns and the shape of the land to predict how water will move around Earth. They will also discover how hydrologists put this knowledge to use by helping to build dams, levees, and irrigation systems.Water is one of the most important substances on Earth. Almost all living things need it to survive. Readers will learn how hydrologists study weather patterns and the shape of the land to predict how water will move around Earth. They will also discover how hydrologists put this knowledge to use by helping to build dams, levees, and irrigation systems.
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