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Author Question: Electromagnetic radiation A) consists of waves that can vary in amplitude. B) is relatively rare ... (Read 46 times)

lunatika

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

Answer: A

Answer to Question 2

Answer: C


lunatika

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Reply 2 on: Jul 14, 2018
YES! Correct, THANKS for helping me on my review

xiazhe

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Reply 3 on: Yesterday
Excellent

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