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Author Question: A main difference between a radio wave and a sound wave is A) frequency. B) wavelength. C) ... (Read 54 times)

sammy

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on: Jul 29, 2018
A main difference between a radio wave and a sound wave is
 
  A) frequency.
  B) wavelength.
  C) energy.
  D) amplitude.
  E) medium or no medium.

Question 2

Kids in elementary school get this right: Which color of light gets through red glass?
 
  A) red
  B) cyan
  C) none of these


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orangecrush

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: E

Answer to Question 2

Answer: A


sammy

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Reply 2 on: Jul 29, 2018
Excellent

atrochim

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Reply 3 on: Yesterday
Wow, this really help

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