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Author Question: Over geologic history the Earth's magnetic field A) has been relatively stable. B) has increased ... (Read 99 times)

james0929

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Over geologic history the Earth's magnetic field
 
  A) has been relatively stable.
  B) has increased in strength exponentially.
  C) has reversed direction many times.
  D) is unknown.

Question 2

Which force field can accelerate an electron?
 
  A) electric field
  B) magnetic field
  C) both of these
  D) neither of these



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ryansturges

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Answer to Question 1

Answer: C

Answer to Question 2

Answer: C




james0929

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Reply 2 on: Jul 29, 2018
Gracias!


kjohnson

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Reply 3 on: Yesterday
Wow, this really help

 

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