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It is a common practice to plant trees a...

It is a common practice to plant trees and shrubs near the boundary walls of buildings. What purpose do they serve?

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### Step-by-Step Solution: 1. **Introduction to the Practice**: - It is common to plant trees and shrubs near the boundary walls of buildings. This practice is prevalent in both residential and official buildings. 2. **Sound Barrier**: - One of the primary purposes of planting trees and shrubs is to act as a barrier against sound. They help in reducing noise pollution significantly by absorbing and deflecting sound waves. ...
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