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									catching the fog 
									In some countries, fog is simply the weather. But, do you know it becomes an important source of fresh water. How can we turn it into fresh water. Read the story and find the answer with vocabulary and exercises to practice your reading skill.  
									
										
										
										 Level:elementary 
										
										 Age: 10-17
										
										  Downloads:22 | 
										
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									Copyright 26/5/2011  nontanoon 
									Publication or redistribution of any part of this 
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									copyright owner.
  
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