Regardless of whether the waste paper is incinerated or decomposed on a refuse tip, the carbon dioxide is released, and absorbed once again by the trees in the process of photosynthesis.
(the waste paper; is incinerated; ) (the waste paper; decomposed; ) (the carbon dioxide; absorbed; T:once again; by the trees; T:in the process of photosynthesis)
the waste paper the waste paper the carbon dioxide
is incinerated decomposed absorbed
T:once again by the trees T:in the process of photosynthesis