Match the following terms related to sound waves with the specific units.
| Terms | Units |
| a)Frequency | 1) meter |
| b)Amplitude | 2) decibel |
| c)Loudness | 3) No unit |
| d)Pitch | 4) Hertz |
1
a) 3 b) 1 c) 2 d) 4
2
a) 4 b) 2 c) 1 d) 3
3
a) 3 b) 1 c) 2 d) 4
4
a) 4 b) 1 c) 2 d) 3