Question

why bird produce high pitch​

Answer 1

Answer:

Originally, scientists thought that this was because of constant noise from people and traffic. But researchers used controlled sound recordings to find that the physical structure of cities (the way buildings, streets, and houses are set up) may be the reason that birds tweet at a higher frequency.

Answer 2

Explanation:

HIGH PITCH SOUND

This vibration is that of a pure tone with a frequency equal to 3000 Hz, meaning over the highest frequency of the human voice (soprano: 2 100 Hz).

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