Acid Rain 酸雨

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/04 16:28:21

Acid Rain 酸雨
What is true of Acid Rain?
About pollution

你说的True 具体指什么呢是酸雨的定义还是形成?
定义：Acid rain means the rain that below pH value 5.6 .
形成：Acid rain is mainly causes by sulphur dioxide and nitrogen oxide.
These kinds of gases are produced by factories and vehicles.
不知道合不合适,希望能帮你哈 xd

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