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环境问指的是( )。

多选题
2021-09-03 17:23
A、A 是任何不利于人类生存和发展的环境结构和状态的变化,其产生原因包括人为方面和自然方面的因素。
B、B 广义:由自然力或人类活动引起生态平衡破坏,最后直接或间接影响人类的生存和发展的一切客观存在的问题。
C、C 狭义:由于人类的生产和生活活动,使自然生态系统失去平衡,反过来影响人类生存和发展的一切问题。
D、D 是一切直接或间接影响人类的自然形成的物质、能量和现象的总体。
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正确答案
A@#@B@#@C

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