does anyone know what part of a tree or plant cleans the air?

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does anyone know what part of a tree or plant cleans the air?

is it the leaves?
bark?
roots?

2007-12-19 15:30:16 · 4 answers · asked by Anonymous in Home & Garden ➔ Other - Home & Garden

then want happens when the leaves fall off? like in the winter time?

2007-12-19 15:35:13 · update #1

oxygen produced during photosynthesis can only pass out of the leaf through the opened stomata.

2007-12-19 16:52:12 · answer #1 · answered by Anonymous · 0⤊ 0⤋

leaves

2007-12-19 23:34:13 · answer #2 · answered by thesweetone20032000 2 · 0⤊ 0⤋

leaves

2007-12-19 23:32:55 · answer #3 · answered by glenn t 7 · 1⤊ 0⤋

In winter, no cleaning.

2007-12-19 23:37:19 · answer #4 · answered by gotech 4 · 0⤊ 0⤋