Question

Large green plants are called as green mufflers?Why?

Answer 1

To control the noise and air pollution, 4–5 rows of plants are planted near the noisy places like roadsides and industrial areas so that they can obstruct noise reaching citizens. and make the environment fresh(rich) by releasing a large amount of Oxygen , this process of fighting against pollution is called "green muffler" process, That's why Large green plants are called green mufflers.