Question

Complete the table

Type of sound. Frequency

1) Audible sound. a)__________
2)____________. b) Less than 20Hz
3) Ultra sound. c) ___________​

Answer 1

Answer:

(a) between 20 Hz and 20,000 Hz.

(2) Infra sonic sound.

(c) Greater than 20,000 Hz.

Please mark my answer as the BRAINLIEST answer.