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wqeywqorwerh wqeywqorwerh
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7 years ago
If you go too far down in the water, the pressure difference between the outside water and the middle ear might rupture your _____. Pinching your nose and blowing air into your ears equalizes the pressure difference as you descend.
 
  a. pinna
  b. oval window
  c. round window
  d. tympanic membrane
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jose111b9jose111b9
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7 years ago
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wqeywqorwerh Author
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7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Yesterday
Thank you, thank you, thank you!
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2 hours ago
This helped my grade so much Perfect
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