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"Dams and reservoirs are essential aspects of human life today. Without these structures, many people living in areas where water is naturally scarce would be left high and dry. Dams and reservoirs can occur naturally. However, people often interfere with nature to create their own. Damming rivers and creating reservoirs isn't always a completely beneficial practice. To create a reservoir, large areas of land have to be sacrificed. This book explores the processes associated with damming rivers and building reservoirs as well as the positive and negative outcomes of doing so."--
Dams --- Dams --- Reservoirs --- Hydrology --- Nature --- Design and construction --- Effect of human beings on
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Drug abuse --- Drugs --- Alcoholism --- Substance abuse
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Smoking --- Smoking --- Tobacco use --- Adverse effects --- Health aspects
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This book explores the pros and cons of using biomass as an alternative energy source. Informational diagrams and color photographs add depth to the text and help readers understand how the biomass cycle of energy works.
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Dams are important engineering marvels. However, if not built correctly, dams can cause catastrophic damage to our buildings, land developments, and the natural world. With this book, readers will learn about the different types of dams, the materials needed to build them, the steps to preparing the dam site before construction begins, and the designing process. Readers explore the many benefits of dams, such as harnessing the power of water to create electricity and diverting water for irrigation. A step-by-step project helps young engineers conceptualize how much work is involved in building a dam and how important they truly are.
Dams --- Engineering --- Design and construction.
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"Roads and highways connect small towns, major cities, and even entire countries to each other. In early history, roads used to be paths made by animals and then were adapted to suit human needs. Today, our roads and highways are paved with asphalt and concrete, among other building materials such as gravel and sand. Creating roads and highways requires swaths of land to be cleared and leveled, and may even require sections of mountains to be taken out. This book explores how these human activities have impacted Earth's landscape and what we might be able change to create less-invasive paving practices in the future."--
Roads --- Roads --- Nature --- Design and construction --- Environmental aspects --- Effect of human beings on
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