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LVK LVK
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6 years ago
The earliest stone tools are dated to approximately:
 
  a. 17.2 million years old.
  b. 9.4 million years old.
  c. 2.6 million years old.
  d. 263,000 years old.
  e. 29,000 years old.
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wrote...
6 years ago
c
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