问题描述：
请分析下面这个句子的语法结构,特别是后面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.
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.
问题解答：
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