加拿大很多樹但也期望森林吸收掉人們無節制排放的二氧化碳。 www.tvboxnow.com( w6 t0 i: x, M
SweetLemon 發表於 2016-7-14 10:34 AM tvb now,tvbnow,bttvb6 m! O/ J5 O' V) n5 t4 l
not enough trees in the city![](http://www.tvboxnow.com/images/smilies/default/003.gif) tvb now,tvbnow,bttvb0 ]8 _/ X/ Q, h8 a6 u
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No, I read that when the leaves fall it released CO2 back to nature.TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。. C. o: k" ]9 h1 W, u3 J
I don't know its true or not. |