12-102f05.jpg
Description:
The water cycle describes the sources, sinks, and flow of our most important natural resource.(Courtesy of USGS.)
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12-102f05.jpg
Alt text:
Illustration of the water cycle.
Caption:
The water cycle describes the sources, sinks, and flow of our most important natural resource. (Image courtesy of USGS.)
Course Info
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Fall
2005
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assignment
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