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Liaaaa Liaaaa
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6 years ago
The function of the paranasal sinuses is to lighten the head and give resonance to the voice.
 
 Indicate whether the statement is true or false
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ohssiohssi
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6 years ago
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Liaaaa Author
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6 years ago
Good timing, thanks!
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This site is awesome
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this is exactly what I needed
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