1.

A soft humming sounds is made in​

Answer»

ong>Answer:

A 'hum' or 'humming' by humans is created by the resonance of air in various parts of passages in the head and throat, in the ACT of breathing. The 'hum' that a hummingbird creates is also created by resonance: in this case by the PASSAGE of air against wings in the ACTIONS of flying, especially of hovering.



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