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Author Question: Earth's magnetic field reverses its polarity in irregular intervals of ________ of years. A) tens ... (Read 129 times)

mcmcdaniel

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Earth's magnetic field reverses its polarity in irregular intervals of ________ of years.
 
  A) tens to hundreds
  B) hundreds to thousands
  C) thousands to millions
  D) millions to billions
  E) billions to trillions

Question 2

The Earth can be described as a(n) ________ because of its magnetic field.
 
  A) protoplanet
  B) positive attractor
  C) oblate spheroid
  D) plate holder
  E) geodynamo



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kiamars2010

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Answer to Question 1

Answer: C

Answer to Question 2

Answer: E




mcmcdaniel

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Reply 2 on: Jul 13, 2018
Gracias!


robbielu01

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Reply 3 on: Yesterday
Wow, this really help

 

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