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1. Mention few measures to be taken to reduce the effect of noise pollution.
a. Usage of should be avoided during festival times.
b. All vehicles should be equipped with .
2. Define the following terms.
Amplitude and Loudness
a. The displacement of a vibrating particle from its mean position is called amplitude.
b. The unit of amplitude is .
3. How does planting trees help in reducing noise pollution?
a. Plant parts sound, such as stems, leaves, branches, and wood.
b. Planting trees near the residential areas the noise pollution.
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