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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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tamaraco tamaraco
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6 years ago
Preserved rocks in North America are generally less than ________.
 
  A) 10 km thick
  B) 3.5 billion years old
  C) 2.7 g/cm3 in density
  D) 20 km wide
  E) 50 km long
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nino99nino99
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6 years ago
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