Question

measure on noise pollution

Answer 1

The decibel (dB) is the main unit used to measure the intensity or loudness of sounds. A sound can also bemeasured by its pitch, which is the frequency of sound vibrations per second.

Answer 2

Answer:

Control Measures:

1. We can reduce noise pollution by turning off appliances when not in use or turning the volume of devices that produce high noise.
2. Aircraft engines and automobile engines should be fitted with silencers to reduce the noise.
3. Factories should be relocated away from residential areas.
4. More trees should be planted along the roads because trees absorb noise.