Question

© which can be heared are called__​

Answer 1

There is a mistake in your question

actually you want to ask

Sound waves which can be heard are called______

Answer:- Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz. (Human infants can actually hear frequencies slightly higher than 20 kHz, but lose some high-frequency sensitivity as they mature; the upper limit in average adults is often closer to 15–17 kHz.)