We should study rocks

0 votes
   
      because the materials have economic value
      to understand phenomena such as volcanic eruptions
      to understand Earth processes
      to learn about the geologic past
      all of the above
asked Mar 12, 2013 in Earth Science by anonymous
    

1 Answer

0 votes
all of the above
answered Mar 15, 2013 by h20 ~Top Expert~ (6,320 points)



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