Question

Sounds with pitch lower than 20 Hz a second cannot be heard?​

Answer 1

please mark me as brainleast please

Explanation:

yes

Answer 2

Answer:

Sounds with frequencies below 20 hertz are called infrasound. Infrasound is too low-pitched for humans to hear. Sounds with frequencies above 20,000 hertz are called ultrasound. Ultrasound is too high-pitched for humans to hear.

thank you