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• Water is the most plentiful natural resource on Earth. It is essential for all life on the planet. Water makes up roughly 70% of the Earth's surface. Earth is often referred to as the blue planet because of its abundance of water.

• Fast Facts

  1. Pure water is made up of hydrogen and oxygen atoms (H2O)AMNH: Water
  2. 97% of Earth's water is oceanEnvironmental Literacy Council: Water
  3. 3% is |fresh waterEnvironmental Literacy Council: Water
  4. About 2/3 of Earth's fresh water is iceAMNH: Water
  5. 70% of the Earth's surface is covered by waterUSGS: How much water is there on, in, and above the Earth?
  6. Earth's largest natural resourceEnvironmental Literacy Council: Water
  7. U.S. uses about 346,000 million gallons of fresh water dailyAll About Water: 20 Interesting and Useful Water Facts
  8. 80% is used for irrigation and thermoelectric powerAll About Water: 20 Interesting and Useful Water Facts
  9. Water is essential for all living thingsNOVA: Life's Little Essential
  10. A human can live for about a week without waterAll About Water: 20 Interesting and Useful Water Facts

• Water Cycle

  Water is in constant movement. This movement is known as the water cycle. The cycle consists of the transformation of water via evaporation, precipitation and runoff.USGS: Water Cycle

• Related Mahalo Pages

  Water Cycle | Bottled Water | Earth | Drought | How to Conserve Water | How to Become a Plumber

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