Question

Green mufflers are

• A. Rows of trees grown to serve as noise absorbers
• B. Rows of shrubs grown to serve as noise indicators
• C. Mufflers used to show protest against noise pollution
• D. All of the above

Answer 1

The correct option is A Rows of trees grown to serve as noise absorbers

Mufflers are rows of trees or shrubs grown to serve as noise absorbers. It also reduces air pollution because the trees and shrubs absorb pollution gases and cause settling of suspended particulate matter.

So, the correct answer is option A.