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Water cycle basics

USGS
Mississippi River flood
Floods, erosion, and drought are all signs of poor water cycle function. The Mississippi River flooded these grain silos at MacGregor, Iowa (central U.S.A.) in April 2003.

What is the most common cause of droughts and floods worldwide?

Water cycle basics (HTML)

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Download the slide show for use off-line, in the classroom, or for presentations. Formats: Flash, Microsoft Powerpoint. Languages: English, Chinese, Russian, Spanish, French, Arabic.
 

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