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Vertimyst Vertimyst
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7 years ago
By 1999, world population had reached:
 
  A) 1 billion.
  B) 975 million.
  C) 3 billion.
  D) 6 billion
  E) 20 billion.
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karlexkarlex
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7 years ago
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Vertimyst Author
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7 years ago
this is exactly what I needed
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Thanks for your help!!
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This site is awesome
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