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We all need to drink water. How much you need depends on your size, activity level, and the weather where you live.

The water you drink is a combination of surface water and groundwater. Surface water includes rivers, lakes and reservoirs. Groundwater comes from underground. The United States has one of the safest water supplies in the world, but drinking water quality can vary from place to place. It depends on the condition of the source water and the treatment it receives. Treatment may include adding fluoride to prevent cavities and chlorine to kill germs.

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Results 1 - 10 of 5,921 for WATER
  1. Drinking Water (National Library of Medicine)  
    We all need to drink water. How much you need depends on your size, activity level, and the weather where you live. The water you drink is a combination of surface water ...
  2. Water Pollution (National Library of Medicine)  
    We all need clean water. People need it to grow crops and to operate factories, and for drinking and recreation. Fish and wildlife depend on ... and phosphorus make algae grow and can turn water green. Bacteria, often from sewage spills, can pollute ...
  3. Water Safety (Recreational) (National Library of Medicine)  
    Playing in the water - whether swimming, boating or diving - can be fun. It can also be dangerous, especially for children. Being safe can ... injuries and drowning. To stay safe in the water Avoid alcohol when swimming or boating Wear a ...
  4. Hydrocephalus (National Library of Medicine)  
    Hydrocephalus is the buildup of too much cerebrospinal fluid in the brain. Normally, this fluid cushions your brain. When you have too much, though, it puts harmful ...
  5. ... Kids & Teens FDA Regulates the Safety of Bottled Water Beverages Including Flavored Water and Nutrient-Added Water Beverages Available in PDF (764 KB) . También disponible ...
  6. Drinking Water and Ground Water: Kids' Stuff (Environmental Protection Agency, Office of Water)  
    ... Kids Drinking Water & Ground Water Kids' Stuff Drinking Water & Ground Water Kids' Stuff Kids' Home Games & Activities Other Kids' ... to you. Submit Your Artwork from Thirstin's Wacky Water Adventure Activity Book Here Area Navigation Water Home ...
  7. ... Contact Back to previous page Special Topics in Water Science Our Special Topics section lets you explore ...
  8. Diet - water; H2O ... Water makes up more than two-thirds of the weight of the human body. Without water, humans would die in a few days. All ...
  9. Caloric test; Bithermal caloric testing; Cold water calorics; Warm water calorics; Air caloric testing ... your acoustic nerve by delivering cold or warm water or air into your ear canal. When cold ...
  10. Water loading test; Water deprivation test ... and after one or more of the following: Water loading -- drinking large amounts of water or receiving ...
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