Environment And Road Safety Education And Violence Against Women And Children And Drug Abuse 2019 Exam With Answers

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30.

Green muffler is used against which type of pollution ?

A: Air

B: Water

C: Soil

D: Noise

The answer is: D

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Explanation

Green muffler is a measure adopted to control noise pollution, by planting green plants. Normally 4–5 rows of plants are grown near noisy places like roadsides and industrial areas so that they can obstruct the noise from reaching the citizens.