請分析下面這個句子的語法結構,特別是後面being的用法,

題目：

請分析下面這個句子的語法結構,特別是後面being的用法,
Many scientsts like Dr.Janice Foster believe that people have caused the increase in the earth's temperature through the burning of fossil fuel like coal,natural gas and oil to produce energy whose byproducts are called "greenhouse" gases,the most important one being carbon dioxide.

解答：

the most important one being carbon dioxide 是整句話的「伴隨狀語」
在書面語中,有時作者會用一個長結構的句子形式來表達「嚴謹的」語義,於是就出現了這種把一個完整的句子中的謂語動詞用非謂語動詞的形式來表現,如這個句子裡的 being.其實,這句話完全可以獨立出來而不影響整句話的意思：The most important one is carbon dioxide.