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Cris Cris
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6 years ago
The outer ear system results in a net gain of approximately how many dB at 2,000 Hz?
 A) 20
  B) 40
  C) 60
  D) None of the above
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hoehoe22hoehoe22
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6 years ago
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Cris Author
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6 years ago
Correct Slight Smile TY
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
wrote...

2 hours ago
Thanks
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