Board logo

subject: The Dangerous Air Pollution [print this page]


The Dangerous Air Pollution
The Dangerous Air Pollution

Fifth, afforestation: dense trees can slow down the wind, and thus decrease the large dusts in the air. As tree leaves are tomentose, they can absorb lots of dusts and thus, the air is much cleaner.




welcome to loan (http://www.yloan.com/) Powered by Discuz! 5.5.0