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# C% X- l q0 J, ^, J/ iTVBNOW 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。No, I read that when the leaves fall it released CO2 back to nature.tvb now,tvbnow,bttvb- E6 V; [: a+ J, {
I don't know its true or not.
7 s0 k7 K2 z' O# W' w, N公仔箱論壇SweetLemon 發表於 2016-7-14 08:05 PM  A tree can absorb 13lb CO2 every year. A typical V8 car produce 220g CO2 per km. How many trees are needed? |