acid rain: rainfall containing solutions of nitric and sulfuric acids 酸雨-Precisely how acid rain forms in the atmosphere is still a mystery to scientists … most experts believe that the current problem is traceable...acid rain: rainfall containing solutions of nitric and sulfuric acids 酸雨-Precisely how acid rain forms in the atmosphere is still a mystery to scientists … most experts believe that the current problem is traceable to electrical generating plants, industrial boilers and smelting plants that release sulfur dioxide (SO<sub>2</sub>) and nitrogen oxides (NO<sub>2</sub>) into the atmosphere, as well as acidic soots and traces of toxic metals such展开更多
文摘acid rain: rainfall containing solutions of nitric and sulfuric acids 酸雨-Precisely how acid rain forms in the atmosphere is still a mystery to scientists … most experts believe that the current problem is traceable to electrical generating plants, industrial boilers and smelting plants that release sulfur dioxide (SO<sub>2</sub>) and nitrogen oxides (NO<sub>2</sub>) into the atmosphere, as well as acidic soots and traces of toxic metals such