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Identify the measures used to limit noise pollution.
(A) Minimise the use of automobile horns
(B) Planting trees along the roads
(C) Installing silencing devices in aircraft engines
(D) Cutting trees around the residential buildings
Choose the correct option from the following.
Using horns less, planting trees that absorb sound and fitting silencers to aircraft engines all reduce noise. Cutting trees around homes removes this natural sound barrier and increases noise. So (A), (B) and (C) are correct.
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