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tlcp8 tlcp8
wrote...
Posts: 754
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6 years ago
The Mesozoic spans from __________.
 
  a. 4.5 million to 60,000 years ago
  b. 248 million to 65 million years ago
  c. 4.5 billion to 543 million years ago
  d. 5.43 billion to 45 million years ago
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wrote...
6 years ago
Correct Answer: b
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