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The human activities have a direct efect on water cycle by waterproof surfaces and overpumping of underground reserves of water without talking about deforestations en drainages.

The dryness of more and more lands make the climat change

That why we decided to catch all runoff water for infiltrating in undergound spaces.
That is a new games, i am the champion of digging for now.
look:
http://www.dailymotion.com/jeandb/video/xxwq7_le-bief-du-saut-du-gier7janvier2007

2007-01-07 07:45:32 · answer #1 · answered by pingouin 3 · 0 0

The water cycle includes evaporation from the sea which requires energy supplied by the sun as light or photons.

2007-01-07 18:22:04 · answer #2 · answered by Kes 7 · 0 0

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