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.
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
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Fast Facts
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Pure water is made up of hydrogen and oxygen atoms (H2O)AMNH: Water
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97% of Earth's water is oceanEnvironmental Literacy Council: Water
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3% is |fresh waterEnvironmental Literacy Council: Water
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About 2/3 of Earth's fresh water is iceAMNH: Water
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Earth's largest natural resourceEnvironmental Literacy Council: Water
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Water is essential for all living thingsNOVA: Life's Little Essential
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