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Author Question: How does the ocean floor preserve evidence of past magnetic reversals. A) Isotopic analysis of ... (Read 52 times)

oliviahorn72

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on: Jul 14, 2018
How does the ocean floor preserve evidence of past magnetic reversals.
 
  A) Isotopic analysis of ocean core sediments help determine sea floor age and this can be used to infer past magnetism.
  B) The ocean floor is uniformly old, preserving Earth's 4.6 billion history.
  C) Mantle hot spots are always oriented to the magnetic field.
  D) Magnetic particles in basalt orient with the magnetic field in force at the time the oceanic lava cooled and hardened.

Question 2

The water-balance methodology is, in essence, an accounting or bookkeeping system for water resource analysis.
 
  Indicate whether the statement is true or false


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HandsomeMarc

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Reply #1 on: Jul 14, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


oliviahorn72

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Reply 2 on: Jul 14, 2018
Excellent

blakcmamba

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Reply 3 on: Yesterday
:D TYSM

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