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Earth's systems

QuestionAnswer
What sphere is gas? Atmoushere
What sphere is water? Hydroshpere
What sphere is ground? Geosphere
What sphere is life? Biosphere
How much precente of salt water is on earth? 97%
How much precente of fresh water is on earth? 3%
How much precente of water on earth is potable? 1%
What are the three major categories of human activites we discovered? Industry, Agriculture, Everyday Life.
Created by: user-2036333
 

 



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