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The top documents tagged [earths water earths]
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earths water earths
What are some global concerns about water? Where is most of the water? Most valuable resource Less than 3% is freshwater Most of that in unavailable.
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Earth’s Water
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Water of the Earth Water covers approximately 71% of the Earth’s surface.
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Is that all? Information and pictures from USGS “Water Science for Schools” Website -I did a demo with 100 M&M’s.
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