Question

A. Match the columns:
Column I. column ll
1. Reflected sound waves
(a) Noise pollution

2. Transport sound
(b) Vocal cord

3. Human voice
(c) Hearing loss

4. Frequency of sound wave
(d) Pitch

5. Noise pollution
(e) Echo​

Answer 1

Answer:

1 pitch 2 noise pollution 3 vocal cord 4 echo 5 h

e

hearing loss