The Glomar Challenger proved ________. A) the Earth is round ...

[tfester]

The Glomar Challenger proved ________.
 
  A) the Earth is round
  B) the poles reverse their polarities
  C) the seafloors are spreading
  D) continental drift has stopped
  E) mountains exist under the sea

Question 2

Over the past 100 million years of Earth history, it is known that the magnetic poles have reversed themselves ________ times.
 
  A) 0
  B) 2
  C) 10
  D) 25
  E) more than 170

[nanny]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: E