Bridget and I chose the water cycle to show how important it is in our ecosystem. There is condensation, evaporation, precipitation, transportation, and accumulation. With out all of these we wouldn't have plants, lakes, or even drinking water. The water cycle has no beginning nor end. It is the source of everything we need today.
http://seedsofsciencerootsofreading.files.wordpress.com/2012/06/water-cycle.jpg
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