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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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Valvarez Valvarez
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6 years ago
Brandon's teeth are stained from his constant coffee drinking, so his dentist recommended that he switch to a new electric toothbrush that not only brushes teeth very rapidly, but also uses sound to reduce plaque and staining. What kind of sound is most likely generated by Brandon's new toothbrush?
 
  a. infrasound
  b. ultrasound
 c. pure tones
 d. noise
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Jlaureano23Jlaureano23
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6 years ago
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Valvarez Author
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6 years ago
This helped my grade so much Perfect
ouasfoudgewu
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
amandamraz
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2 hours ago
Just got PERFECT on my quiz
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