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Author Question: Electromagnetic radiation A) consists of waves that can vary in amplitude. B) is relatively rare ... (Read 51 times)

lunatika

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Electromagnetic radiation
 
  A) consists of waves that can vary in amplitude.
  B) is relatively rare in the universe.
  C) consists of two waves that are 90 degrees out of phase with each other.
  D) does not create an electric field.

Question 2

At the speed of light, energy from the sun takes how much time to reach the Earth?
 
  A) 1 second
  B) 30 seconds
  C) 8 minutes
  D) 24 minutes



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johnharpe

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Answer to Question 1

Answer: A

Answer to Question 2

Answer: C




lunatika

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Reply 2 on: Jul 14, 2018
:D TYSM


diana chang

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Reply 3 on: Yesterday
Wow, this really help

 

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