THE+HYDROSPHERE


 * Unit 4 The hydrosphre: Page 56
 * 1.-Water on the EArth
 * 2.- Importance of water for life
 * 3.- [|The water cycle]
 * 4.- Uses of water
 * 5.- Environmental impacts on the hydrosphere
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 * The water cycle - flash presentation
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 * Questions about the water cycle