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Throughout history, gold has been a precious material, eagerly sought and cherished. It was probably...

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the U.S. is the largest producer of gold in the world.  ancient peoples collected gold in considerable amounts.  gold was first mined in the U.S. in the mid-1700s.  governments keep the production of gold under control.  
that  which  in which  of which  
it is scarce  so scarce is it  its scarcity  scarcity of it  
arguments and proofs.  personal opinions.  convincing examples.  factual descriptions.  
Surface coatings of gold protect earth satellites from radiation.  Most of the world’’s refined gold is used for currency backing.  The world’’s largest gold mine is located in South Dakota.  The mining of gold can be traced back to the feudal age.  

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