Multiple Choice
The oldest basalts on the ocean floor are about ________ years old.
A) 50 thousand
B) 4 billion
C) 200 million
D) 2.5 million
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q10: If you were using both a compass
Q17: Wegener's evidence for a united Pangaea comes
Q32: With increasing distance from a mid-ocean ridge,the
Q33: The thickness of clay and planktonic microskeletons
Q40: Volcanoes that have submerged beneath the surface
Q41: According to the figure below,marine magnetic anomalies
Q43: Evidence of paleomagnetism can be found in
Q44: Evidence that the South American and African
Q49: Which of these is NOT the result
Q50: The apparent polar-wander path obtained from magnetite