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do animals have a culture？What do we mean by
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ADADADADAD
悬浮物,明矾,自来
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a man and his wife had a small bar near a station
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题目自来水净化过程中明矾的作用是( )A.消毒B.过滤C.吸附D.凝聚可圈可点用户2021-02-16 07:06优质解答在净化水的过程中明矾的作用是吸附水中的悬浮物，使悬浮物聚集在一起形成较大的颗粒从而沉淀出来.观察选项，故选D
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题目
自来水净化过程中明矾的作用是( )
A.消毒
B.过滤
C.吸附
D.凝聚
可圈可点用户
2021-02-16 07:06
优质解答
在净化水的过程中明矾的作用是吸附水中的悬浮物，使悬浮物聚集在一起形成较大的颗粒从而沉淀出来.观察选项，故选D
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