Multiple choice

Noise pollution in a road-side building can be reduced by

  1. providing a ditch around the building and filling it with water

  2. providing a steel mesh around the building

  3. providing a thick bush around the building

  4. planting tall trees around the building and fencing them with barbed wires
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Noise pollution in a roadside building can be reduced by providing a thick bush around the building.

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