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Author Question: How long ago did the Atlantic start to form as Pangaea started to rift apart? A) 1 million years ... (Read 22 times)

theo

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on: Jul 13, 2018
How long ago did the Atlantic start to form as Pangaea started to rift apart?
 
  A) 1 million years
  B) 20 million years
  C) 200 million years
  D) 2.0 billion years
  E) 4.6 billion years

Question 2

The world mid-oceanic ridge system totals approximately ________.
 
  A) 6 km (4 miles)
  B) 60 km (40 miles)
  C) 6,000 km (4,000 miles)
  D) 60,000 km (40,000 miles)
  E) 600,000 km (400,000 miles)
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Jmfn03

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Reply #1 on: Jul 13, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


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