Question: How much natural water is there?

Answer:                                                                                                   

The earth is estimated to hold about 1,460,000,000 cubic kilometers of water. The breakdown of where all that water resides is estimated as follows:

Oceans (saline)                      1,419,120,000 cubic kilometers    

Ice caps and glaciers (fresh)           31,244,000 cubic kilometers  

Ground water (fresh and saline)          8,906,000 cubic kilometers

Streams and lakes (fresh)                  132,860 cubic kilometers   

Lakes (saline)                             116,800 cubic kilometers         

Other--soil, atmosphere, biosphere (fresh)  480,340 cubic kilometers

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