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Author Question: How do scientists measure the age of rocks at mid-ocean ridges? A) radioactive dating methods ... (Read 227 times)

futuristic

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on: Jul 16, 2018
How do scientists measure the age of rocks at mid-ocean ridges?
 
  A) radioactive dating methods
  B) comparison of rock samples on mountain ranges
  C) fossil stratification and the principle of horizontality
  D) magnetic polarity measurements

Question 2

How fast is North America moving away from Africa?
 
  A) 3 cm/year
  B) 3 m/year
  C) 3 mm/year
  D) 3 km/year


Fayaz00962

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Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


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futuristic

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Reply #2 on: Jul 16, 2018
TY


Fayaz00962

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Reply #3 on: Jul 16, 2018
Happy to Help


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