Juan and Giancarlo Are Opera Singers

question 117

Multiple Choice

Juan and Giancarlo are opera singers.Juan is a tenor and Giancarlo is a baritone.Tenors sing with higher-pitched voices than baritones.With respect to this fact,the sound waves
Corresponding to Giancarlo's voice are lower in ________ than those corresponding to Juan's
Voice;that is,they are lower in ________.

• A) frequency;hertz
• B) frequency;decibels
• C) amplitude;hertz
• D) amplitude;decibels

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