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Which substance is used in a sewage treatment system to kill harmful bacteria? * ammonia chlorine sand soap

Which substance is used in a sewage treatment system to kill harmful bacteria? * ammonia chlorine sand soap
asked 172k views
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Which substance is used in a sewage treatment system to kill harmful bacteria? *

ammonia
chlorine
sand
soap

asked
User Damiano Celent
by
8.2k points

1 Answer

3 votes
the answer is chlorine
answered
User Tenshi Munasinghe
by
7.9k points
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