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America's Troubled Waters

Source: U.S. PIRG, Troubled Waters: An Analysis of Clean Water Act Compliance, 2006. Since 1972, the Clean Water Act has made significant strides in…

Water Supply of the World

The Antarctic Icecap is the largest supply of fresh water, representing nearly 2% of the world's total of fresh and salt water. As can be seen from…

The Chemistry of Biology: Water

WaterThe Chemistry of BiologyIntroductionAtomic TheoryChemical Reactions: Ionic, Covalent, and Polar Covalent BondsWaterOrganic ChemistryCarbohydratesLipidsProteinsNucleic AcidsVitamins and Minerals…

The Largest Body of Fresh Water

The Question: Could you tell me what the largest body of fresh water is in the world? The Answer: The largest freshwater lake in the world is…

Water in New York City

The Question: How much water (in gallons) does New York City consume in one day? The Answer: According to the New York City Department of Environmental…

Olympic Preview: Water Polo

First Olympic Appearance: 1900 by John Gettings and Mark Zurlo Related Links Olympics Overview 2012 Encyclopedia: Water Polo   Although it looks a lot like a waterlogged…

Behavior and Structure of Water Molecules

This video demonstrates the behavior of water molecules under different circumstances that affect their structure and molecular bonds. A glass of water is poured through a paper towel into a second…

mineral water

(Encyclopedia) mineral water, spring water containing various mineral salts, especially the carbonates, chlorides, phosphates, silicates, sulfides, and sulfates of calcium, iron, lithium, magnesium,…

holy water

(Encyclopedia) holy water, in Christian churches, water blessed to symbolize spiritual cleansing. In Roman Catholic churches there is a bowl (stoup or font) of holy water near the doors, so that the…