Question

Match The Following
1) Hz a)Ultasonic Sound
2)A shrill Sound b)Principle of an echo
3)A louder Sound c)Frequency
4)10,000 Hz d)High pitched sound
5)Sonar e)Higher amplitude of vibration

Answer 1

Answer:

make me brilliant

Explanation:

1-c

2-e

3-d

4-a

5-b