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Author Question: Human hearing is best in A) infrasonic sound. B) ultrasonic sound. C) both of these D) neither ... (Read 63 times)

jman1234

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on: Jul 29, 2018
Human hearing is best in
 
  A) infrasonic sound.
  B) ultrasonic sound.
  C) both of these
  D) neither of these

Question 2

In air and in water the same sound travels with different
 
  A) frequencies.
  B) speeds.
  C) both of these
  D) neither of these


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jomama

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

Answer: D

Answer to Question 2

Answer: B


jman1234

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Reply 2 on: Jul 29, 2018
Gracias!

aliotak

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Reply 3 on: Yesterday
:D TYSM

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