What is the principal constituent of natural gas?A．Carbon an...
What is the principal constituent of natural gas?A．Carbon and hydrogen.B．Methane and other hydrocarbon gases.C．Saturated hydrocarbons.D．Non-associated gas.
最佳答案
回答者：网友
正确答案360问答：B
解析：本题提问夜烈异当日确除为清停天然气的主要成分。阳思宗乎题干中的the principa盾圆当除上编论斗l constituent of与原文中的co微计还们八围nsists primarily of属于同义转换，所以consists pri装原marily of后面的methane and other hydrocarbon gases即是本题的答案所在，故本题答案为B 。
