Multiple Choice
280,000,000 cm/115,000,000 years = 2.4 cm/year A magnetic anomaly that formed 115 million years ago and is 2,800 km away from the present-day mid-ocean ridge. What has the average rate of plate movement been over this time interval? (1 km = 100,000 cm)
A) 0.2 cm/year
B) 1.2 cm/year
C) 2.4 cm/year
D) 12 cm/year
E) 25 cm/year
Correct Answer:
Verified
Correct Answer:
Verified
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