How long ago did the Atlantic start to form as Pangaea started to ...

[theo]

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)

[Jmfn03]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: D